Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK SELF DIAGNOSTIC RESULT FOR IPDM E/R
- Perform "Self Diagnostic Result" for "IPDM E/R".
- Erase DTCs.
- Turn ignition switch OFF.
- Turn ignition switch ON.
- Perform self diagnostic result for IPDM E/R.
Are any DTCs detected?
YES
Refer to DTC INDEX .
NO
GO TO STEP 2.
- CHECK IGNITION RELAY-1 SIGNAL
Check voltage between BCM connector M19 and ground.
BCM Ground Condition Voltage
(Approx.)Connector Terminal M19 70 - Ignition: OFF Battery voltage Ignition: ON 0V Is the inspection result normal?
YES
Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 3.
- CHECK IGNITION RELAY-1 SIGNAL POWER SUPPLY
Check voltage between IPDM E/R connector E119 and ground.
IPDM E/R Ground Condition Voltage
(Approx.)Connector Terminal E119 43 - Ignition: OFF Battery voltage Is the inspection result normal?
YES
GO TO STEP 4.
NO
Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .
- CHECK IGNITION RELAY-1 SIGNAL CIRCUIT CONTINUITY
- Turn ignition switch OFF.
- Disconnect BCM connector M19 and IPDM E/R connector E119.
- Check continuity between BCM connector M19 and ground.
BCM Ground Continuity Connector Terminal M19 70 - No
Is the inspection result normal?
YES
Replace BCM. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace harness or connectors.