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 F25 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 PRIMARY PRESSURE SENSOR POWER CIRCUIT
- Turn ignition switch OFF.
- Connect TCM connector.
- Disconnect CVT unit connector.
- Turn ignition switch ON.
- Check voltage between CVT unit harness connector terminal and ground.
+ - Voltage
(Approx.)CVT unit Connector Terminal F43 22 Ground 5.0 V
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace malfunctioning parts.
- CHECK PRIMARY PRESSURE SENSOR SIGNAL CIRCUIT
Check voltage between CVT unit harness connector terminal and ground.
+ - Voltage
(Approx.)CVT unit Connector Terminal F43 13 Ground 0 V 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.