infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Sensors and Switches - Emission Control Systems > < Positive Crankcase Ventilation|Page 2893
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13.CHECK ECM POWER SUPPLY CIRCUIT-VI
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between ECM harness connector and IPDM E/R harness connector.

4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 15.
NO - GO TO 14.
14.DETECT MALFUNCTIONING PART
Check the following.
-

Harness or connectors E106, M6

-

Harness for open or short between ECM and IPDM E/R

- Repair open circuit, short to ground or short to power in harness or connectors.
15.CHECK INTERMITTENT INCIDENT
Refer to See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Intermittent Incident.
Is the inspection result normal?
YES - Replace IPDM E/R.
NO - Repair open circuit, short to ground or short to power in harness or connectors.

Sensors and Switches - Emission Control Systems > < Positive Crankcase Ventilation|Page 2893