P2103

P2100, P2103 THROTTLE CONTROL MOTOR RELAY

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
1.Turn ignition switch OFF and wait at least 10 seconds.
2.Turn ignition switch ON.
3.Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:


Before performing the following procedure, confirm that battery voltage is more than 8 V.
Witch DTC is detected?
P2100- GO TO 2.
P2103- GO TO 3.

2. PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2100

1.Turn ignition switch ON and wait at least 2 seconds.
2.Start engine and let it idle for 5 seconds.
3.Check DTC.
Is DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END

3. PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2103

1.Turn ignition switch ON and wait at least 1 second.
2.Check DTC.
Is DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect ECM harness connector.
3.Disconnect IPDM E/R harness connector.
4.Check the continuity between IPDM E/R harness connector and ECM harness connector.





Revision: March 20122013 Infiniti JX
5.Also check harness for short to ground and short to power.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair open circuit, short to ground or short to power in harness or connectors.

2. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT

1.Check the continuity between IPDM E/R harness connector and ECM harness connector.





2.Also check harness for short to ground and short to power.
Is the inspection result normal?
YES- Perform the trouble diagnosis for power supply circuit.
NO- Repair open circuit, short to ground or short to power in harness or connectors.
Revision: March 20122013 Infiniti JX