Owner's Manual

MTC-60
TROUBLE DIAGNOSIS
Revision: March 2005 2005 Altima
SYSTEM DESCRIPTION
Front air control controls compressor operation by intake sensor signal and signal from ECM.
DIAGNOSTIC PROCEDURE
SYMPTOM: Magnet clutch does not engage when A/C switch is ON.
1. CHECK CIRCUIT CONTINUITY BETWEEN A/C RELAY IN IPDM E/R AND COMPRESSOR
1. Disconnect IPDM E/R connector E124 and compressor connec-
tor.
2. Check continuity between compressor harness connector F3
terminal 1 (Y/B) and IPDM E/R harness connector E124 termi-
nal 33 (Y/B).
If OK, check harness for short to ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
WJIA0854E
Terminals Continuity
Connector -
Ter minal
Wire color
Connector -
Terminal
Wire color
Yes
F3-1 Y/B E124-33 Y/B
WJIA0722E