FX50 AWD V8-5.0L (VK50VE) (2009)
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YES - GO TO 2.
NO - Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of A/T assembly.
2. Check the resistance between the A/T assembly harness connector terminals.
Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the TCM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the TCM. Refer to the following.
-
VQ engine models:
-
VK engine models: See: Transmission Control Systems/Testing and Inspection/Component Tests and General Diagnostics/Main Power Supply
and Ground Circuit
Is the inspection result normal?
YES (Present error)-Replace the control valve with TCM. Refer to the following.
-
VQ engine models:
-
VK engine models: See: Transmission Control Systems/Locations
YES (Past error)-Error was detected in the TCM branch line.
NO - Repair the power supply and the ground circuit.
CAN System (Type 14)
TCM BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
- A/T assembly
- Harness connector F103
- Harness connector M116
Is the inspection result normal?
YES - GO TO 2.
NO - Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of A/T assembly.
2. Check the resistance between the A/T assembly harness connector terminals.
Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the TCM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the TCM. Refer to the following.
-
VQ engine models:
-
VK engine models: See: Transmission Control Systems/Testing and Inspection/Component Tests and General Diagnostics/Main Power Supply
and Ground Circuit
Is the inspection result normal?
YES (Present error)-Replace the control valve with TCM. Refer to the following.
-
VQ engine models:
-
VK engine models: See: Transmission Control Systems/Locations
YES (Past error)-Error was detected in the TCM branch line.
NO - Repair the power supply and the ground circuit.
CAN
