1997 PCED OBDII-Diesel
SECTION 5C: Pinpoint Tests

AE: Air Conditioning
  AE: Introduction  

 

AE1 DTC P1464: A/C ON DURING KOER CYLINDER CONTRIBUTION SELF TEST

Does DTC P1464 set?
YesNo
GO to AE2.Problem may be intermittent. GO to AE4.
 

AE2 CHECK A/C POWER CIRCUIT FOR SHORT

Is B+ present?
YesNo
REPAIR short to B+.GO to AE3.
 

AE3 CHECK TEST PIN 41 SHORTED TO POWER

Is B+ present?
YesNo
REPAIR short to B+.REPLACE PCM.
 

AE4 CHECK FOR INTERMITTENT SHORT TO POWER

Is voltage ever present?
YesNo
REPLACE short to B+.No problem found at this time.