1996 Bronco/F-Series

Section 01-20B: Restraints, Passive, Supplemental Air Bag System

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

DIAGNOSIS AND TESTING

Electrical Schematic

Supplemental Air Bag Restraint System

Pin Number Circuit Circuit Function

18 619 (PK/W) Air Bag Crash Sensor No. 2 Feed

17 617 (PK/O) Air Bag Crash Sensor No. 1 Feed

16 613 (DB/W) Air Bag Safing Sensor Ground Monitor

15 611 (W/O) Air Bag Safing Sensor Feed

14 — Not Used

13 937 (R/W) Air Bag Diagnostic Monitor Fused Battery Feed (Crash)

6 625 (Y/LG) Air Bag Diagnostic Input — Sensor No. 2 (Feed Monitor)

5 875 (BK/LB) Ground Logic Module

4 608 (BK/Y) Air Bag Diagnostic Lamp Driver

3 875 (BK/LB) Ground Logic Module (Crash)

2 624 (Y/W) Air Bag Diagnostic Input — Sensor No. 1 (Feed Monitor)

1 296 (W/P) Fused Accessory Feed

Pin Number	Circuit	Circuit Function
18	619 (PK/W)	Air Bag Crash Sensor No. 2 Feed
17	617 (PK/O)	Air Bag Crash Sensor No. 1 Feed
16	613 (DB/W)	Air Bag Safing Sensor Ground Monitor
15	611 (W/O)	Air Bag Safing Sensor Feed
14	—	Not Used
13	937 (R/W)	Air Bag Diagnostic Monitor Fused Battery Feed (Crash)
6	625 (Y/LG)	Air Bag Diagnostic Input — Sensor No. 2 (Feed Monitor)
5	875 (BK/LB)	Ground Logic Module
4	608 (BK/Y)	Air Bag Diagnostic Lamp Driver
3	875 (BK/LB)	Ground Logic Module (Crash)
2	624 (Y/W)	Air Bag Diagnostic Input — Sensor No. 1 (Feed Monitor)
1	296 (W/P)	Fused Accessory Feed

Pin Number Circuit Circuit Function

24 — Not Used

23 612 (P/O) Air Bag Safing Sensor (Feed Monitor)

22 — Not Used

21 620 (P/LB) Air Bag Crash Sensor No. 2 Ground Monitor

20 618 (P/LG) Air Bag Crash Sensor No. 1 Ground Monitor

19 — Not Used

12 623 (P/W) Air Bag Safing Sensor Output Monitor

11 614 (GY/O) Air Bag Driver Feed Monitor

10 615 (GY/W) Air Bag Driver Return

9 — Not Used

8 — Not Used

7 629 (BR) Passenger Air Bag Delete

Pin Number	Circuit	Circuit Function
24	—	Not Used
23	612 (P/O)	Air Bag Safing Sensor (Feed Monitor)
22	—	Not Used
21	620 (P/LB)	Air Bag Crash Sensor No. 2 Ground Monitor
20	618 (P/LG)	Air Bag Crash Sensor No. 1 Ground Monitor
19	—	Not Used
12	623 (P/W)	Air Bag Safing Sensor Output Monitor
11	614 (GY/O)	Air Bag Driver Feed Monitor
10	615 (GY/W)	Air Bag Driver Return
9	—	Not Used
8	—	Not Used
7	629 (BR)	Passenger Air Bag Delete

AIR BAG DIAGNOSTIC MONITOR TYPICAL PIN VOLTAGES WITH SYSTEM CONNECTED AND ENGINE RUNNING
Vehicle Charging System Voltage Pin Number

1 2 3 4 5 6

9.0 9.0 8.6 0.0 9.0 0.0 8.6

9.5 9.6 9.1 0.0 9.5 0.0 9.1

10.0 10.0 9.6 0.0 10.0 0.0 9.6

10.5 10.5 9.9 0.0 10.5 0.0 9.9

11.0 11.0 10.0 0.0 11.0 0.0 10.0

11.5 11.5 10.0 0.0 11.5 0.0 10.5

12.0 12.0 10.0 0.0 12.0 0.0 10.0

12.5 12.5 10.1 0.0 12.5 0.0 10.1

13.0 13.0 10.1 0.0 13.0 0.0 10.1

13.5 13.5 10.2 0.0 13.5 0.0 10.2

14.0 14.0 10.2 0.0 14.0 0.0 10.2

14.5 14.5 10.3 0.0 14.5 0.0 10.3

15.0 15.0 10.03 0.0 15.0 0.0 10.3

15.6 15.6 10.4 0.0 15.5 0.0 10.4

16.0 16.0 10.4 0.0 16.0 0.0 10.4

AIR BAG DIAGNOSTIC MONITOR TYPICAL PIN VOLTAGES WITH SYSTEM CONNECTED AND ENGINE RUNNING
Vehicle Charging System Voltage	Pin Number
1	2	3	4	5	6
9.0	9.0	8.6	0.0	9.0	0.0	8.6
9.5	9.6	9.1	0.0	9.5	0.0	9.1
10.0	10.0	9.6	0.0	10.0	0.0	9.6
10.5	10.5	9.9	0.0	10.5	0.0	9.9
11.0	11.0	10.0	0.0	11.0	0.0	10.0
11.5	11.5	10.0	0.0	11.5	0.0	10.5
12.0	12.0	10.0	0.0	12.0	0.0	10.0
12.5	12.5	10.1	0.0	12.5	0.0	10.1
13.0	13.0	10.1	0.0	13.0	0.0	10.1
13.5	13.5	10.2	0.0	13.5	0.0	10.2
14.0	14.0	10.2	0.0	14.0	0.0	10.2
14.5	14.5	10.3	0.0	14.5	0.0	10.3
15.0	15.0	10.03	0.0	15.0	0.0	10.3
15.6	15.6	10.4	0.0	15.5	0.0	10.4
16.0	16.0	10.4	0.0	16.0	0.0	10.4

AIR BAG DIAGNOSTIC MONITOR TYPICAL PIN VOLTAGES WITH SYSTEM CONNECTED AND ENGINE RUNNING
Vehicle Charging System Voltage Pin Number

7 8 9 10 11 12

9.0 0.0 2.3 0.0 2.3 2.3 2.3

9.5 0.0 2.4 0.0 2.4 2.4 2.4

10.0 0.0 2.5 0.0 2.5 2.5 2.5

10.5 0.0 2.7 0.0 2.7 2.7 2.7

11.0 0.0 2.8 0.0 2.8 2.8 2.8

11.5 0.0 3.0 0.0 3.0 3.0 3.0

12.0 0.0 3.1 0.0 3.1 3.1 3.1

12.5 0.0 3.2 0.0 3.2 3.2 3.2

13.0 0.0 3.4 0.0 3.4 3.4 3.4

13.5 0.0 3.5 0.0 3.5 3.5 3.5

14.0 0.0 3.7 0.0 3.7 3.7 3.7

14.5 0.0 3.8 0.0 3.8 3.8 3.8

15.0 0.0 4.0 0.0 4.0 4.0 4.0

15.6 0.0 4.1 0.0 4.1 4.1 4.1

16.0 0.0 4.3 0.0 4.3 4.3 4.3

AIR BAG DIAGNOSTIC MONITOR TYPICAL PIN VOLTAGES WITH SYSTEM CONNECTED AND ENGINE RUNNING
Vehicle Charging System Voltage	Pin Number
7	8	9	10	11	12
9.0	0.0	2.3	0.0	2.3	2.3	2.3
9.5	0.0	2.4	0.0	2.4	2.4	2.4
10.0	0.0	2.5	0.0	2.5	2.5	2.5
10.5	0.0	2.7	0.0	2.7	2.7	2.7
11.0	0.0	2.8	0.0	2.8	2.8	2.8
11.5	0.0	3.0	0.0	3.0	3.0	3.0
12.0	0.0	3.1	0.0	3.1	3.1	3.1
12.5	0.0	3.2	0.0	3.2	3.2	3.2
13.0	0.0	3.4	0.0	3.4	3.4	3.4
13.5	0.0	3.5	0.0	3.5	3.5	3.5
14.0	0.0	3.7	0.0	3.7	3.7	3.7
14.5	0.0	3.8	0.0	3.8	3.8	3.8
15.0	0.0	4.0	0.0	4.0	4.0	4.0
15.6	0.0	4.1	0.0	4.1	4.1	4.1
16.0	0.0	4.3	0.0	4.3	4.3	4.3

AIR BAG DIAGNOSTIC MONITOR TYPICAL PIN VOLTAGES WITH SYSTEM CONNECTED AND ENGINE RUNNING
Vehicle Charging System Voltage Pin Number

13 14 15 16 17 18

9.0 9.0 NC 24.0 0.0 8.5 8.5

9.5 9.5 NC 24.0 0.0 9.0 9.0

10.0 10.0 NC 24.0 0.0 9.5 9.5

10.5 10.5 NC 24.0 0.0 10.0 10.0

11.0 11.0 NC 24.0 0.0 10.0 10.0

11.5 11.5 NC 24.0 0.0 10.0 10.0

12.0 12.0 NC 24.0 0.0 10.0 10.0

12.5 12.5 NC 24.0 0.0 10.1 10.1

13.0 13.0 NC 24.0 0.0 10.1 10.1

13.5 13.5 NC 24.0 0.0 10.2 10.2

14.0 14.0 NC 24.0 0.0 10.2 10.2

14.5 14.5 NC 24.0 0.0 10.3 10.3

15.0 15.0 NC 24.0 0.0 10.3 10.3

15.5 15.5 NC 24.0 0.0 10.4 10.4

16.0 16.0 NC 24.0 0.0 10.4 10.4

AIR BAG DIAGNOSTIC MONITOR TYPICAL PIN VOLTAGES WITH SYSTEM CONNECTED AND ENGINE RUNNING
Vehicle Charging System Voltage	Pin Number
13	14	15	16	17	18
9.0	9.0	NC	24.0	0.0	8.5	8.5
9.5	9.5	NC	24.0	0.0	9.0	9.0
10.0	10.0	NC	24.0	0.0	9.5	9.5
10.5	10.5	NC	24.0	0.0	10.0	10.0
11.0	11.0	NC	24.0	0.0	10.0	10.0
11.5	11.5	NC	24.0	0.0	10.0	10.0
12.0	12.0	NC	24.0	0.0	10.0	10.0
12.5	12.5	NC	24.0	0.0	10.1	10.1
13.0	13.0	NC	24.0	0.0	10.1	10.1
13.5	13.5	NC	24.0	0.0	10.2	10.2
14.0	14.0	NC	24.0	0.0	10.2	10.2
14.5	14.5	NC	24.0	0.0	10.3	10.3
15.0	15.0	NC	24.0	0.0	10.3	10.3
15.5	15.5	NC	24.0	0.0	10.4	10.4
16.0	16.0	NC	24.0	0.0	10.4	10.4

NC = No harness connection.

AIR BAG DIAGNOSTIC MONITOR TYPICAL PIN VOLTAGES WITH SYSTEM CONNECTED AND ENGINE RUNNING
Vehicle Charging System Voltage Pin Number

19 20 21 22 23 24

9.0 NC 0.0 0.0 NC 24.0 NC

9.5 NC 0.0 0.0 NC 24.0 NC

10.0 NC 0.0 0.0 NC 24.0 NC

10.5 NC 0.0 0.0 NC 24.0 NC

11.0 NC 0.0 0.0 NC 24.0 NC

11.5 NC 0.0 0.0 NC 24.0 NC

12.0 NC 0.0 0.0 NC 24.0 NC

12.5 NC 0.0 0.0 NC 24.0 NC

13.0 NC 0.0 0.0 NC 24.0 NC

13.5 NC 0.0 0.0 NC 24.0 NC

14.0 NC 0.0 0.0 NC 24.0 NC

14.5 NC 0.0 0.0 NC 24.0 NC

15.0 NC 0.0 0.0 NC 24.0 NC

15.5 NC 0.0 0.0 NC 24.0 NC

16.0 NC 0.0 0.0 NC 24.0 NC

AIR BAG DIAGNOSTIC MONITOR TYPICAL PIN VOLTAGES WITH SYSTEM CONNECTED AND ENGINE RUNNING
Vehicle Charging System Voltage	Pin Number
19	20	21	22	23	24
9.0	NC	0.0	0.0	NC	24.0	NC
9.5	NC	0.0	0.0	NC	24.0	NC
10.0	NC	0.0	0.0	NC	24.0	NC
10.5	NC	0.0	0.0	NC	24.0	NC
11.0	NC	0.0	0.0	NC	24.0	NC
11.5	NC	0.0	0.0	NC	24.0	NC
12.0	NC	0.0	0.0	NC	24.0	NC
12.5	NC	0.0	0.0	NC	24.0	NC
13.0	NC	0.0	0.0	NC	24.0	NC
13.5	NC	0.0	0.0	NC	24.0	NC
14.0	NC	0.0	0.0	NC	24.0	NC
14.5	NC	0.0	0.0	NC	24.0	NC
15.0	NC	0.0	0.0	NC	24.0	NC
15.5	NC	0.0	0.0	NC	24.0	NC
16.0	NC	0.0	0.0	NC	24.0	NC

NC = No harness connection.