1996 Bronco/F-Series

Section 01-14B: Door Lock Control System, Electronic

1996 F-150, F-250, F-350 and Bronco Workshop Manual

DIAGNOSIS AND TESTING

Pinpoint Tests

NOTE: Do not run any of the following pinpoint tests unless so instructed by Pinpoint Test A (Quick Test). Doing so may produce incorrect results and services. After completing any pinpoint test service, return to Pinpoint Test A. Do not continue with other pinpoint tests.

CAUTION: Do not replace parts unless test results say they should be replaced.

NOTE: Keep the front door window glass (21410) rolled down during all pinpoint tests to avoid being locked out of the vehicle.

PINPOINT TEST A: QUICK TEST

A1 OPERATE LOCKS FROM DOOR SWITCHES

For the door lock switch in each front door, front rear door rear and liftgate:

LOCK and UNLOCK the doors several times using the door lock switch. Check that all the doors lock/unlock properly.

Do all doors lock/unlock properly from each door lock switch?

Yes	No
GO to A2.	GO to Pinpoint Test D.

A2 CHECK BATTERY SAVER FEATURE

Sit in vehicle with all doors closed.
Key on, engine off.
Turn interior lamps on with dimmer switch.

Do lamps illuminate?

Yes	No
GO to A3.	GO to Pinpoint Test C.

A3 CHECK PROGRAM CONNECTOR

Key to RUN.
Momentarily insert a shorting plug into program connector C4 (located behind LH quarter access panel, taped to the harness).

NOTE: This shorting plug connects Program A input to Program B on the module.

Do doors lock and unlock?

Yes	No
GO to A4.	GO to Pinpoint Test E.

A4 LOCK DOORS USING TRANSMITTER

Remove shorting plug from program connector C4.
Key off.
Close all doors. Doors should be unlocked.
Press the LOCK button on transmitter that has been programmed into the module.

NOTE: May have to press the button more than once.

Does the system operate properly?

Yes	No
GO to A7.	GO to A5.

A5 UNLOCK DRIVER'S DOOR USING TRANSMITTER

Key off.
Program connector C4 NOT shorted.
Doors closed and locked.
Press the UNLOCK button on transmitter.

Does driver's door unlock and do interior lamps turn on when door is opened?

Yes	No
GO to A6.	GO to A7.

A6 UNLOCK PASSENGER DOOR(S) USING TRANSMITTER

Press the UNLOCK button on transmitter twice (the second press must be within 5 seconds of the first) or if less than 5 seconds since Step A5, press the UNLOCK button on transmitter once.

Key off.
Program connector C4 NOT shorted.

Do door(s) and liftgate unlock?

Yes	No
GO to A7.	REPLACE remote entry receiver module. REPEAT Pinpoint Test A.

A7 ACTIVATE THE PANIC ALARM USING TRANSMITTER

Press the (red) PANIC button transmitter.

Key off.
Program connector C4 NOT shorted.

Does horn sound and do parking lamps flash on and off continuously?

Yes	No
GO to A8.	GO to Pinpoint Test E.

A8 DEACTIVATE PANIC ALARM USING SAME TRANSMITTER

If more than 3 minutes has elapsed since Step A7 (if the panic alarm has shut off), repeat Step A7.

Key off.
Program connector C4 NOT shorted

Push the (red) PANIC button on the same transmitter that was used in Step A7.

Do horn and parking lamps shut off?

Yes	No
GO to A9.	REPLACE remote entry receiver module. REPEAT Pinpoint Test A.

A9 TURN OFF PANIC ALARM WITH IGNITION ON

Press the (red) PANIC button on any transmitter which has been programmed into the remote entry receiver module.

Program connector C4 NOT shorted

Then turn the ignition switch ON.

Do horn and do parking lamps shut off with ignition on?

Yes	No
GO to A10.	REPLACE remote entry receiver module. REPEAT Pinpoint Test A.

A10 VERIFY DOOR LOCK USING TRANSMITTER

Remove shorting plug from program connector C4.
Key off.
Close all doors. Doors should be unlocked.
Press the LOCK button on the transmitter twice (the second press must be within 5 seconds of the first).

Does horn sound and do parking lamps flash?

Yes	No
GO to A11.	REPLACE remote entry receiver module. REPEAT Pinpoint Test A.

A11 NO TRANSMISSION RECEIVED WITH IGNITION ON

Key to RUN.

All doors, closed and unlocked.

Press the UNLOCK button on any transmitter that has been programmed into the remote entry receiver module.

Do any doors unlock?

Yes	No
REPLACE remote entry receiver module. REPEAT Pinpoint Test A.	End of test. Remote entry system is OK.

PINPOINT TEST B: ILLUMINATED ENTRY

Perform test only if instructed to do so by Pinpoint Test A (Quick Test). This pinpoint test checks:

lock cylinder LEDs
door handle switches
remote entry receiver module
Circuits 54 (LG/Y), 182 (BR/W), 53 (BK/LB), 57 (BK), 875 (BK/LB), 171 (BK/W)
battery saver I/O
instrument panel dimmer switch
door jamb switches
ignition switch input

B1 CHECK MODULE GROUND

Disconnect module Connectors C1, C2 and C3.
Check continuity to ground at Pin 5 Circuit 875 (BK/LB) of Connector C1, Pin 1 Circuit 57 (BK) and at Pin 15 Circuit 57 (BK) of Connector C3.

Is there continuity?

Yes	No
GO to B2.	SERVICE open in Circuit 57 (BK) of Connector C3 or Circuit 875 (BK/LB) of Connector C1. REPEAT Pinpoint Test A.

B2 CHECK POWER TO MODULE

Disconnect remote entry receiver module Connectors C1, C2 and C3.
Check voltage at Pin 1 Circuit 54 (LG/Y) of Connector C1 to ground.
Check voltage at Pin 14 Circuit 171 (BK/W) and Pin 25 Circuit 171 (BR/W) of Connector C2 to ground.

Is reading 10 volts or more?

Yes	No
GO to B3.	CHECK and REPLACE fuse. SERVICE open or short in Circuit 54 (LG/Y) of Connector C1 or Circuit 171 (BK/W) of Connector C2. REPEAT Pinpoint Test A.

B3 CHECK CONTINUITY TO BATTERY SAVER INPUT

Disconnect module Connector C2.
Check continuity to Circuit 54 (LG/Y) at Pins 10 and 23 of Connector C2.

Is there continuity?

Yes	No
GO to B4.	SERVICE open in Circuit 54 (LG/Y). REPEAT Pinpoint Test A.

B4 CHECK BATTERY SAVER INPUT

Reconnect module Connector C2.
Measure voltage between ground and Pins 10 Circuit 54 (LG/Y) and 23 Circuit 54 (LG/Y) of Connector C2.

Is voltage greater than 10 volts?

Yes	No
GO to B5.	SERVICE short in Circuit 54 (LG/Y). REPEAT Pinpoint Test A.

B5 CHECK BATTERY SAVER OUTPUT

With module Connector C2 connected, measure voltage between ground and Pins 11 Circuit 705 (LG/O) and 12 Circuit 705 (LG/O) of Connector C2.

Is voltage greater than 10 volts?

Yes	No
GO to B6.	REPLACE remote entry receiver module. REPEAT Pinpoint Test A.

B6 CHECK IGNITION SWITCH INPUT TO MODULE

Check voltage at Pin 6 Circuit 182 (BR/W) of Connector C1 with ignition switch at RUN and OFF positions.

Is reading 10 volts or more at RUN?

Yes	No
GO to B7.	SERVICE break or short in Circuit 182 (BR/W). REPEAT Pinpoint Test A.

B7 CHECK DIMMER SWITCH ON

Measure voltage between Pin 17 Circuit 706 (GY) and ground with all connectors connected and dimmer switch in the ON position (switch closed).

Is voltage greater than 10 volts?

Yes	No
GO to B8.	SERVICE open in Circuit 706 (GY). REPEAT Pinpoint Test A.

B8 CHECK DIMMER SWITCH OFF

With all module connectors connected, check continuity between Circuit 54 (LG/Y) and Pin 17 Circuit 706 (GY) of Connector C3 while the turn indicator switch is in the OFF position (switch open).

Is there continuity?

Yes	No
SERVICE shorted turn indicator switch and mounting plate. REPEAT Pinpoint Test A.	GO to B9.

B9 CHECK LAMP OUTPUT

Place turn indicator switch and mounting plate on with all connectors connected.
Measure voltage between Pins 15 Circuit 57 (BK) and 19 Circuit 53 (BK/LB) of Connector C3.

Is reading 10 volts or more?

Yes	No
GO to B10.	REPLACE remote entry module. REPEAT Pinpoint Test A.

B10 CHECK FOR CONTINUITY AND SHORT

Disconnect Connector C3 from remote entry module.
Check for short between Pin 19 Circuit 53 (BK/LB) and Pin 1 Circuit 57 (BK) and Pin 15 Circuit 57 (BK).
Check for continuity between Pin 19 Circuit 53 (BK/LB) and the suspect lock cylinder connector in door.

Is there continuity/no short?

Yes	No
GO to B11.	SERVICE open/short in Circuit 53 (BK/LB). REPEAT Pinpoint Test A.

B11 CHECK MODULE OUTPUT TO LOCK CYLINDER WHEN TRANSMITTER IS USED

Reconnect Connector C3 to remote entry module.
Attach voltmeter between Pin 19 Circuit 53 (BK/LB) and ground.
Press UNLOCK on a preprogrammed transmitter.

Is reading 10 volts or more within 15 seconds?

Yes	No
REPLACE non-functional lock cylinder. REPEAT Pinpoint Test A.	GO to B12.

B12 CHECK DOOR JAMB SWITCHES

For each door (all others closed):

Disconnect remote entry receiver module Connectors C2 and C3.
Check continuity between Circuit 54 (LG/Y) and Pin 17 Circuit 706 (GY) with the door open and then closed (dimmer switch off in both steps).

Is there continuity with door(s) open and none with door(s) closed?

Yes	No
GO to B13.	REPLACE damaged/worn door jamb switch. REPEAT Pinpoint Test A.

B13 CHECK CONTINUITY

Remove door jamb switch.

Disconnect remote entry receiver module Connector C3.
Check continuity between Circuit 54 (LG/Y) and Pin 17 Circuit 706 (GY) with the door open and then closed (dimmer switch off in both steps).

Is there continuity?

Yes	No
GO to B14.	SERVICE short in door jamb switch or circuitry. REPEAT Pinpoint Test A.

B14 TURN ON INTERIOR LAMPS WITH JUMPER WIRE

Disconnect remote entry module Connectors C2 and C3.
Momentarily connect a jumper wire between Pin 10 Circuit 54 (LG/Y) and Pin 23 Circuit 54 (LG/Y) of Connector C2 and Pin 19 Circuit 53 (BK/LB) of Connector C3.

Do interior lamps come on?

Yes	No
GO to B15.	SERVICE short or open in Circuit 54 (LG/Y) or Circuit 53 (BK/LB). REPEAT Pinpoint Test A.

B15 CHECK CONNECTORS

Visually inspect all connectors for loose or corroded parts.

Are pins loose or corroded?

Yes	No
SERVICE as required. REPEAT Pinpoint Test A.	REPLACE remote entry module. REPEAT Pinpoint Test A.

PINPOINT TEST C: POWER LOCKS

Perform test only if instructed to do so by Pinpoint Test A (Quick Test).

For further information on the power lock system, refer to Section 01-14A.

BEFORE PERFORMING ANY OF THE TESTS IN THIS SECTION, THE BATTERY MUST BE FULLY CHARGED.

Find the specific concern in the following list and go to the step specified.

POWER LOCKS
Condition Test Step

None of the door locks work C1

One or more locks do not work C9

One or more switches do not work C13

Locks will only lock or unlock C15

Locks work intermittently C18

Locks do not work in freezing weather C19

Locks only work with engine running C20

POWER LOCKS
Condition	Test Step
None of the door locks work	C1
One or more locks do not work	C9
One or more switches do not work	C13
Locks will only lock or unlock	C15
Locks work intermittently	C18
Locks do not work in freezing weather	C19
Locks only work with engine running	C20

NOTE: To lubricate linkage, use Multi-Purpose Grease Spray D7AZ-19584-AA or equivalent meeting Ford specifications ESR-M1C159-A and ESB-M1C106-B.

Spray into latch opening

It may be necessary to remove the door trim panel to lubricate the entire latch and linkage system.

Manually cycle the lock ten times

Check for interference around right latch and all linkages.

C1 NONE OF THE DOOR LOCKS WORK

Check fuse No. 6 and fuse No. 8.

Are fuses OK?

Yes	No
GO to C2.	REPLACE fuse. REPEAT Pinpoint Test A.

C2 POWER TO MODULE

Disconnect module Connectors C1, C2 and C3 from remote entry module.
Check voltage between Pin 14 Circuit 171 (BK/W) and Pin 25 Circuit 171 (BK/W) of Connector C2 and ground.
Check voltage between Pin 1 Circuit 54 (LG/Y) of Connector C1 and ground.

Are 10 or more volts available?

Yes	No
GO to C3.	SERVICE open in Circuit 171 (BK/W) or 54 (LG/Y) or CHARGE battery. REPEAT Pinpoint Test A.

C3 CHECK MODULE GROUNDS

Disconnect remote entry module Connectors C3 and C1.
Check continuity between Pin 1 Circuit 57 (BK) and Pin 15 Circuit 57 (BK) of Connector C3 and a known good ground.
Check continuity between Pin 5 Circuit 875 (BK/LB) of Connector C1 and a known good ground.

Is there continuity?

Yes	No
GO to C4.	SERVICE open in Circuit 57 (BK) of connector.

C4 DOES FUSE OPEN WHEN SWITCH IS ACTIVATED?

Reconnect remote entry module Connectors C3 and C1.
Activate the lock and unlock switches.
Check fuse 19 in the power distribution box.

Is fuse blown?

Yes	No
CHECK for short to ground in Circuits 163 (R/O), 118 (PK/O) and 117 (PK/BK) or shorted lock actuator. SERVICE, then REPLACE fuse. REPEAT Pinpoint Test A.	GO to C5.

C5 CHECK LOCK ACTUATORS

Manually lock all doors.
Connect a jumper wire between a known good ground and Pin 2 Circuit 117 (PK/BK) of Connector C3 with Connector C3 disconnected from the remote entry module.
With a second jumper wire, momentarily connect together Pin 14 Circuit 171 (BK/W) and Pin 25 Circuit 171 (BK/W) of Connector C2. (Only passenger doors should unlock.)
Momentarily jumper together Pin 14 Circuit 171 (BK/W), Pin 25 Circuit 171 (BK/W) of Connector C2 and Pin 3 Circuit 117 (PK/BK) of Connector C3. (Driver's door should now unlock.)

Do all doors unlock?

Yes	No
GO to C6.	SERVICE Circuit 117 (PK/BK) or Circuit 118 (PK/O) Connector C3 or passenger lock motor(s) or Circuit 163 (R/O) or Circuit 117 (PK/BK) Connector C3 or driver's lock motor, Connector C3. REPEAT Pinpoint Test A.

C6 CHECK DOOR LOCK SWITCHES

Check for door lock switch stuck in LOCK or UNLOCK position.

NOTE: May be mechanically stuck, check door lock switch using meter.

Does door lock switch work?

Yes	No
GO to C7.	REPLACE door lock switch. REPEAT Pinpoint Test A.

C7 SHORT BETWEEN LOCK AND UNLOCK CIRCUITS

Disconnect remote entry module Connector C3.
Check for continuity between Pin 4 Circuit 119 (PK/Y) and Pin 5 Circuit 120 (PK/LG) of Connector C3.

Is there continuity?

Yes	No
GO to C8.	SERVICE open between Circuits 119 (PK/Y) and 120 (PK/LG). REPEAT Pinpoint Test A.

C8 CHECK LOCK SWITCHES FOR SHORT TO GROUND

Disconnect remote entry module Connector C3.
Check for short between Pin 4 Circuit 119 (PK/Y) and ground.
Check for short between Pin 5 Circuit 120 (PK/LG) and ground.

Is a short discovered?

Yes	No
SERVICE short to ground in Circuit 119 (PK/Y) or Circuit 120 (PK/LG). REPEAT Pinpoint Test A.	REPLACE remote entry module. REPEAT Pinpoint Test A. GO to C9.

C9 ONE OR MORE LOCKS DO NOT WORK

Manually cycle the suspect lock(s) several times to check for door latch or linkage binding.

Does latch or linkage bind?

Yes	No
LUBRICATE lock and linkage.	GO to C10.

C10 CHECK VOLTAGE TO ACTUATOR/DOOR LOCK SWITCH

Remove door trim panel from door with suspect actuator.
Check voltage between the suspect lock actuator and ground while operating power door lock switch.

Is voltage 10 volts or greater?

Yes	No
GO to C12.	GO to C11.

C11 CHECK MODULE OUTPUT

With all connectors in place, depress lock button and measure voltage at Pin 2 Circuit 117 (PK/BK) and Pin 16 Circuit 117 (PK/BK) of Connector C3 to ground.
Measure voltage at Pin 3 Circuit 163 (R/O), Pin 6 Circuit 118 (PK/O) and Pin 18 Circuit 118 (PK/O) of Connector C3 to ground while door lock switch is depressed.

Is reading 10 volts or more with lock button depressed?

Yes	No
SERVICE Circuit 163 (R/O), Circuit 117 (PK/BK), Circuit 118 (PK/O), Circuit 119 (PK/Y) or Circuit 120 (PK/LG) for open or short. REPEAT Pinpoint Test A.	REPLACE remote entry module. GO to C13.

C12 POWER TO ACTUATOR WITH DOOR LOCK SWITCH IN UNLOCK

Check voltage between suspect lock actuator Circuit 118 (PK/O) and ground while pressing UNLOCK position on door lock switch.

Is voltage 10 volts or more?

Yes	No
REPLACE suspect door lock actuator. REPEAT Pinpoint Test A.	SERVICE open or short in Circuit 120 (PK/LG), Circuit 119 (PK/Y), Circuit 118 (PK/O) or Circuit 117 (PK/BK). REPEAT Pinpoint Test A.

C13 ONE OR MORE SWITCHES DO NOT WORK

Key OFF.
Disconnect module Connector C3.
Remove door trim panel of door with suspect switch.
Check continuity between Pin 4 Circuit 119 (PK/Y) of Connector C3 and lock position terminal of door lock switch (locking Circuit 119 [PK/Y]).
Check continuity between Pin 5 Circuit 120 (PK/LG) of Connector C3 and unlock position terminal of door lock switch (unlocking Circuit 120 [PK/LG]).

Is there continuity?

Yes	No
REPLACE door lock switch. REPEAT Pinpoint Test A.	SERVICE open in Circuit 119 (PK/Y) or Circuit 120 (PK/LG). GO to C14.

C14 CHECK GROUND CIRCUIT

Check Circuit 57 (BK) for open.

Is circuit OK?

Yes	No
GO to C15.	REPAIR open in Circuit 57 (BK). REPEAT Pinpoint Test A.

C15 LOCKS WILL ONLY LOCK OR ONLY UNLOCK

Key OFF.
Disconnect module Connector C3.
Check continuity between Pin 4 Circuit 119 (PK/Y) (Pin 5 Circuit 120 [PK/LG] if doors will not unlock) of Connector C3 and ground while pressing the lock (unlock) position of one of the door lock switches.

Is there continuity?

Yes	No
GO to C16.	GO to C17.

C16 CHECK OUTPUT FROM MODULE

With all connectors in place, check voltage between Pin 2 Circuit 117 (PK/BK) and Pin 16 Circuit 117 (PK/BK) of Connector C3 (Pin 3 Circuit 163 [R/O], Pin 6 Circuit 118 [PK/O] and Pin 18 Circuit 118 [PK/O] for unlock) and ground while pressing the LOCK (UNLOCK) position of one of the door lock switches.

Is voltage 10 volts or greater?

Yes	No
SERVICE open or short in Circuit 117 (PK/BK) (Circuit 118 [PK/O] or Circuit 163 [R/O] for unlock). REPEAT Pinpoint Test A.	REPLACE remote entry module. REPEAT Pinpoint Test A.

C17 CHECK DOOR SWITCH FUNCTION

Check continuity between ground and Circuit 119 (PK/Y) for lock (Circuit 120 [PK/LG] for unlock) connection to door lock switch while pressing the LOCK (UNLOCK) position of door lock switch.

Is there continuity?

Yes	No
SERVICE door lock switch. GO to C18.	SERVICE break in Circuit 119 (PK/Y) (Circuit 120 [PK/LG] for unlock). REPEAT Pinpoint Test A.

C18 LOCKS WORK INTERMITTENTLY

Key OFF.
Disconnect Connectors C3 and C1.
Check continuity to ground at Pin 1 Circuit 57 (BK) and Pin 15 Circuit 57 (BK) of Connector C3 and Pin 5 Circuit 875 (BK/LB) of Connector C1.

Is there continuity?

Yes	No
CHECK and SERVICE loose connections. GO to C19.	SERVICE Circuit 57 (BK) or Circuit 875 (BK/LB). REPEAT Pinpoint Test A.

C19 LOCKS DO NOT WORK IN FREEZING WEATHER

Bring vehicle into heated garage to thaw.
Lubricate locks as described at the beginning of this test.

Do locks operate?

Yes	No
GO to C20.	GO to Pinpoint Test A to identify further concerns.

C20 LOCKS ONLY WORK WITH ENGINE RUNNING

Double-check the following:

Battery fully charged.
Loose or corroded connections to actuators, switches and remote entry receiver module connectors.

Do components operate properly?

Yes	No
SERVICE complete. Vehicle checks OK.	GO to Pinpoint Test A to check for other concerns.

PINPOINT TEST D: REMOTE ENTRY SYSTEM

Perform test only if instructed to do so by Pinpoint Test A.

BEFORE PERFORMING ANY OF THE TESTS IN THIS SECTION, THE BATTERY MUST BE FULLY CHARGED.

Find the specific concern in the list below and go to the step specified.

REMOTE ENTRY SYSTEM
Condition Step

Check antenna/poor range D2

Check for shorting plug transmitter program mode D5

Check Program A short to battery D7

Reprogram transmitter D14

Remote functions do not work in extreme weather D17

REMOTE ENTRY SYSTEM
Condition	Step
Check antenna/poor range	D2
Check for shorting plug transmitter program mode	D5
Check Program A short to battery	D7
Reprogram transmitter	D14
Remote functions do not work in extreme weather	D17

D1 CHECK FOR ANTENNA

Make sure antenna has been installed properly.

Is antenna properly installed?

Yes	No
GO to D2.	INSTALL missing antenna or REROUTE antenna to proper location. REPEAT Pinpoint Test A.

D2 CHECK ANTENNA/POOR RANGE

Disconnect antenna from the module's antenna plug, Connector C4.
Inspect antenna jack for damage, especially to the center pin.
Reconnect antenna (make sure jack is fully seated into module's antenna plug).

Is antenna OK?

Yes	No
GO to D3.	REPLACE antenna. REPEAT Pinpoint Test A.

D3 TRY ANOTHER TRANSMITTER

If more than one transmitter is available, test the response of all transmitters for the vehicle.
If no other transmitters are available, go to Step D14.

Do other transmitters operate properly?

Yes	No
GO to D4.	REPLACE damaged/worn transmitter. GO to D17.

D4 CHECK FOR INOPERATIVE SHORTING PLUG (C4)

Disconnect Connector C1 from remote entry receiver module.
Measure continuity between Pin 1, C4 and Pin 2, C4.

Is there continuity?

Yes	No
REPLACE Connector C4.	GO to D5.

D5 CHECK FOR SHORTING PLUG/TRANSMITTER PROGRAM MODE

Check that shorting plug is not inserted into Connector C4.

Is shorting plug in Connector C4?

Yes	No
REMOVE shorting plug from Connector C4. REPEAT Pinpoint Test A.	GO to D6.

D6 CHECK PROGRAM "A" SHORT TO GROUND

Disconnect module Connector C1.
Test for continuity between Pin 1 of Connector C4 and ground.

Is there continuity?

Yes	No
SERVICE short to ground in Circuit 808 (W/Y). REPEAT Pinpoint Test A.	GO to D7.

D7 CHECK PROGRAM "A" SHORT TO BATTERY

Test for continuity between Pin 1 of Connector C4 and battery (module Connector C1 disconnected).

Is there continuity?

Yes	No
SERVICE short to battery in Circuit 808 (W/Y). REPEAT Pinpoint Test A.	GO to D8.

D8 CHECK PROGRAM "B" SHORT TO GROUND

Test for continuity between Pin 2 of Connector C4 and ground (module Connector C1 disconnected).

Is there continuity?

Yes	No
SERVICE short to ground in Circuit 809 (GY/Y). REPEAT Pinpoint Test A.	GO to D9.

D9 CHECK PROGRAM "B" SHORT TO BATTERY

Test for continuity between Pin 2 of Connector C4 and battery (module Connector C1 disconnected).

Is there continuity?

Yes	No
SERVICE short to battery in Circuit 809 (GY/Y). REPEAT Pinpoint Test A.	GO to D10.

D10 CHECK MODULE PROGRAM "A" INPUT

Disconnect module Connector C1.
Measure the voltage between Pin 15 Circuit 808 (W/Y) of Connector C1 and ground.

Is voltage between 4 and 6 volts?

Yes	No
GO to D11.	REPLACE remote entry receiver module. REPEAT Pinpoint Test A.

D11 CHECK MODULE PROGRAM "B" INPUT

Disconnect module Connector C1.
Measure the continuity between Pin 10 Circuit 809 (GY/Y) of Connector C1 and ground.

Is there continuity?

Yes	No
GO to D12.	REPLACE remote entry receiver module. REPEAT Pinpoint Test A.

D12 CHECK CONTINUITY OF PROGRAM "A" CIRCUIT

Reconnect module Connector C1.
Measure the voltage between Pin 1 of Connector C4 and ground.

Is voltage between 4 and 6 volts?

Yes	No
GO to D13.	SERVICE open in Circuit 808 (W/Y). REPEAT Pinpoint Test A.

D13 CHECK CONTINUITY OF PROGRAM "B" CIRCUIT

Reconnect module Connector C1.
Measure the continuity between Pin 2 of Connector C4 and ground.

Is there continuity?

Yes	No
GO to D14.	SERVICE open in Circuit 809 (GY/Y). REPEAT Pinpoint Test A.

D14 REPROGRAM TRANSMITTER

Key to RUN.
Insert a shorting plug into program Connector C4 (located behind glove compartment, taped to the harness).

This shorting plug connects Program A input to Program B on the remote entry receiver module.

Do doors lock and unlock?

Yes	No
GO to D15.	GO to D5.

D15 STORE TRANSMITTER(S) INTO MODULE MEMORY

Key to RUN.
Press any button on the transmitter.

NOTE: May have to push the button more than once.

Repeat this sequence for each of the transmitters (up to four total).

For each transmitter stored, do all doors lock then unlock?

Yes	No
GO to D16.	GO to D2. If Step D2 has already been performed, REPLACE transmitter batteries and REPEAT Step D14. If still no response, REPLACE remote entry receiver module. REPEAT Pinpoint Test A.

D16 EXIT TRANSMITTER PROGRAM MODE

Key off.
Check that shorting plug has been removed from program Connector C4.

Do doors lock and unlock?

Yes	No
REPEAT Pinpoint Test A, only Steps A3 through A11.	REPLACE remote entry receiver module. REPEAT Pinpoint Test A.

D17 REMOTE FUNCTIONS DO NOT WORK IN EXTREME WEATHER

Bring vehicle to room temperature and perform Pinpoint Test A.

Does remote entry receiver module pass Pinpoint Test A?

Yes	No
REPLACE remote entry receiver module. REPEAT Pinpoint Test A.	SERVICE the remote entry system as required. REPEAT Pinpoint Test A.

PINPOINT TEST E: PANIC ALARM

NOTE: Before performing any of the tests in this section, the battery must be fully charged.

Find the specific concern in the list below and go to the step specified.

PANIC ALARM
Condition Step

Activate parking lamps with switch E2

Horn always on E8

Activate horn with horn blow switch E9

Test for false alarm E1

E1 CHECK PARKING LAMPS

Do not turn on lamp switch.

Are parking lamps on?

Yes	No
GO to E8.	GO to E2.

E2 ACTIVATE PARKING LAMPS WITH SWITCH

Turn on the parking lamps with the lamp switch located on instrument panel.

Do parking lamps turn on with switch?

Yes	No
GO to E3.	GO to E6.

E3 CHECK PARKING LAMP OUTPUT CIRCUIT CONTINUITY

Disconnect module Connector C2.
Test for continuity between Pin 24 Circuit 14 (BR) of Connector C2 and Connectors C1031, C1032, C1052, C1053, C1054, C1055, C431 and C432.

Is there continuity?

Yes	No
GO to E4.	SERVICE Circuit 14 (BR). REPEAT Pinpoint Test A.

E4 CHECK PARKING LAMP INPUT CIRCUIT CONTINUITY

Disconnect module Connector C2.
Test for continuity between Pin 13 Circuit 195 (T/W) and the output side of fuse 4.

Is there continuity?

Yes	No
GO to E5.	SERVICE Circuit 195 (T/W). REPEAT Pinpoint Test A.

E5 CHECK PARKING LAMPS

Check the parking lamps. Refer to Group 17.

Do parking lamps check OK?

Yes	No
GO to E6.	REPLACE or SERVICE the parking lamp circuit. REPEAT Pinpoint Test A.

E6 CHECK OUTPUT CIRCUIT BREAKER

Examine fuse 4 in fuse panel.

Is fuse OK?

Yes	No
SERVICE open or short in Circuit 14. REPEAT Pinpoint Test A. GO to E7.	REPLACE circuit breaker. REPEAT Pinpoint Test A.

E7 CHECK LAMP SWITCH ON INSTRUMENT PANEL

Disconnect the lamp switch and remote entry receiver module Connector C1.

Do the parking lamps shut off?

Yes	No
REPLACE the lamp switch. REPEAT Pinpoint Test A.	SERVICE short to battery in Circuit 14 or SERVICE parking lamp circuitry. REFER to Section 17-01. REPEAT Pinpoint Test A.

E8 HORN ALWAYS ON

Press the horn switch located on steering wheel.

Does horn stop when switch is not depressed?

Yes	No
GO to E9.	GO to E12.

E9 ACTIVATE HORN WITH HORN BLOW SWITCH

Press thehorn blow switch located on the steering wheel.

Does horn sound when activated?

Yes	No
GO to E10.	GO to E11.

E10 CHECK HORN CIRCUIT CONTINUITY

Disconnect module Connector C1.
Test for continuity between Pin 26 of Connector C1 and Circuit 6 (the horn relay).

Is there continuity?

Yes	No
REPLACE remote entry receiver module. REPEAT Pinpoint Test A.	SERVICE Circuit 6. REPEAT Pinpoint Test A.

E11 CHECK HORN AND HORN RELAY

Check the horn and horn relay. Refer to Section 13-06.

Do horn and horn relay work?

Yes	No
GO to E12.	REPLACE or SERVICE the horn or horn relay. REPEAT Pinpoint Test A.

E12 CHECK OUTPUT CIRCUIT BREAKER

Examine fuse 8 in fuse panel.

Is fuse OK?

Yes	No
GO to E13.	REPLACE fuse or SERVICE open or short in Circuit 6. REPEAT Pinpoint Test A.

E13 CHECK FOR DAMAGED/WORN MODULE

Disconnect module Connector C1.

Does the horn shut off?

Yes	No
REPLACE remote entry receiver module. REPEAT Pinpoint Test A.	GO to E14.

E14 CHECK HORN BLOW SWITCH ON STEERING WHEEL

Disconnect the horn blow switch and module Connector C2.

Does the horn shut off?

Yes	No
REPLACE the horn blow switch. REPEAT Pinpoint Test A.	SERVICE short-to-ground in Circuit 1 (DB) or SERVICE the horn relay circuitry. REFER to Section 13-06. REPEAT Pinpoint Test A.

Condition	Step
Activate parking lamps with switch	E2
Horn always on	E8
Activate horn with horn blow switch	E9
Test for false alarm	E1