Pinpoint Test B : Shift Motors

Pinpoint Tests





Any time an electrical connector is disconnected, inspect the connector for terminal condition, corrosion and contamination. Also inspect the connector seal for damage. Clean, repair or install new as necessary.

Pinpoint Tests

Refer to Wiring Diagram Set 29 for schematic and connector information Electrical Diagrams.

PINPOINT TEST B : SHIFT MOTORS

NOTE: Refer to the transaxle connector illustrations Transaxle Connector Layouts Transaxle Connector Layouts.

B1 TEST BJB (Battery Junction Box) FUSE 2 (50A)

- Check fuse: Battery Junction Box (BJB) fuse 2 (50A).

Is the resistance less than 5 ohms?

Yes
GO to B2.

No
REPAIR circuit SBB02 (YE/RD) for a short to ground. INSTALL a new fuse. TEST the system for normal operation.

B2 TEST BJB (Battery Junction Box) FUSE 32 (7.5A)

- Check fuse: BJB (Battery Junction Box) fuse 32 (7.5A).

Is the resistance less than 5 ohms?

Yes
GO to B3.

No
REPAIR circuit SBB32 (VT/RD) for a short to ground. INSTALL a new fuse. TEST the system for normal operation. Refer to Shift Drum Test in Transmission Adaptive Learning Transmission Adaptive Learning.

B3 TEST CJB (Central Junction Box) FUSE 23 (10A)

- Check fuse: CJB (Central Junction Box) fuse 23 (10A).

Is the resistance less than 5 ohms?

Yes
GO to B4.

No
REPAIR circuit CBP23 (BN/YE) for a short to ground. INSTALL a new fuse. TEST the system for normal operation.

B4 CHECK FOR VOLTAGE AT THE TCM (Transmission Control Module) CONNECTOR

- Ignition OFF.

- Disconnect: Transmission Control Module (TCM) C1750A.

- Inspect both ends of the connector for damage or pushed-out pins, corrosion, loose wires and missing or damaged seals.

- Measure the voltage between TCM (Transmission Control Module) C1750A-1, circuit SBB02 (YE/RD) harness side and ground.





- Measure the voltage between TCM (Transmission Control Module) C1750A-2, circuit SBB02 (YE/RD) harness side and ground.





Is the voltage greater than 10 volts?

Yes
GO to B5.

No
REPAIR circuit SBB02 (YE/RD) for an open. RECONNECT all components. TEST the system for normal operation.

B5 CHECK FOR KAM (Keep Alive Memory) VOLTAGE AT THE TCM (Transmission Control Module) CONNECTOR

- Measure the voltage between TCM (Transmission Control Module) C1750A-18, circuit SBB32 (VT/RD) harness side and ground.





Is the voltage greater than 10 volts?

Yes
GO to B6.

No
REPAIR circuit SBB32 (VT/RD) for an open. RECONNECT all components. TEST the system for normal operation.

B6 CHECK FOR IGNITION POWER AT THE TCM (Transmission Control Module) CONNECTOR

- Ignition ON.

- Measure the voltage between TCM (Transmission Control Module) C1750A-31, circuit CBP23 (BN/YE) harness side and ground.





Is the voltage greater than 10 volts?

Yes
INSTALL a new TCM (Transmission Control Module).

No
REPAIR circuit CBP23 (BN/YE) for an open. RECONNECT all components. TEST the system for normal operation.