Checking Wires To Transmission Control Module (TCM)

• Connect test box to Transmission Control Module (TCM) wiring harness. Refer to Test box, connecting for wiring test 
• Check wires between test box and 10-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram.

Terminal 1 + socket 55

Terminal 2 + socket 36

Terminal 3 + socket 8

Terminal 4 + socket 37

Terminal 5 + socket 9

Terminal 10 + socket 34

Wire resistance: max. 1.5 Ω

• Check wires for short circuit to each other.

Specified value: ∞ Ω

If no malfunctions are found in wires:

• Replace Multi-Function Transmission Range (TR) Switch -F125-. Refer to Multi-Function Transmission Range (TR) Switch, replacing  .
• Erase DTC memory of Transmission Control Module (TCM). Refer to Diagnostic mode 4: Reset/erase diagnostic data 
• Generate readiness code. Refer to Readiness code, generating