Quest V6-3.5L (VQ35DE) (2009)
Positive Crankcase Ventilation: Testing and Inspection
Power Supply And Ground Circuit
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
1.INSPECTION START
Start engine.
Is engine running?
Yes or No
Yes >>GO TO 8.
No >>GO TO 2.
2.CHECK ECM POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF and then ON.
2. Check voltage between ECM terminal 109 and ground with CONSULT-III or tester.
Voltage: Battery voltage
OK or NG
OK >>GO TO 4.
NG >>GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.
-
Fuse block (J/B) connector E30
-
10 A fuse
-
Harness for open or short between ECM and fuse
>>Repair harness or connectors.
4.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body. Refer to See: Computers and Control Systems/Testing and Inspection/Component Tests
and General Diagnostics/Power Supply And Ground Circuit.