Diagnostic Test
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.
- CHECK TCM INPUT SIGNALS
- Turn ignition switch OFF.
- Start the engine.
- Check voltage between TCM harness connector terminals.
+ - Condition Voltage TCM Connector Terminal F89 17 Ground - Selector lever: "N" position
- At idle
0.90 - 0.92 V
Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
GO TO STEP 2 .
- CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 1)
- Turn ignition switch OFF.
- Disconnect TCM connector and CVT unit connector.
- Turn ignition switch ON.
- Check continuity between TCM harness connector terminals and CVT unit harness connector terminals.
TCM CVT unit Continuity Connector Terminal Connector Terminal F89 11 F43 18 Existed 17 13 26 22
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace malfunctioning parts.
- CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 2)
Check continuity between TCM harness connector terminals and ground.
TCM - Continuity Connector Terminal F89 17 Ground Not existed 26 Is the inspection result normal?
YES
There is malfunction of primary pressure sensor circuit. Replace control valve assembly. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace malfunctioning parts.