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 CIRCUIT BETWEEN TCM AND CVT UNIT (PART 1)
- Turn ignition switch OFF.
- Disconnect TCM connector and CVT unit connector.
- 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 12 12
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace malfunctioning parts.
- CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 2)
- Turn ignition switch ON.
- Check voltage between TCM harness connector terminal and ground.
+ - Voltage
(Approx.)TCM Connector Terminal F89 12 Ground 0 V
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace malfunctioning parts.
- CHECK CVT FLUID TEMPERATURE SENSOR
- Turn ignition switch OFF.
- Check resistance between CVT unit connector terminals.
CVT unit Condition Resistance
(Approx.)Connector Terminal F209 12 - 18 CVT fluid temperature: 20°C (68°F) 6.5 kΩ CVT fluid temperature: 50°C (122°F) 2.2 kΩ CVT fluid temperature: 80°C (176°F) 0.87 kΩ
Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
Replace transaxle assembly. Refer to REMOVAL AND INSTALLATION .