Checking Components and Wiring

Checking Components And Wiring







- Ignition off
- Disconnect the engine control module (ECM).

Check the signal cable. Check for a short-circuit to ground. Check for an open-circuit.

Check between:
- Control module #B49 (#B59) and engine cooling fan #4.

Activate the engine cooling fan by clicking the VCT2000 symbol to check the function.

Remedy as necessary.

Other Information
- Connecting the breakout box
- Signal specification, engine control module (ECM)
- Checking wiring and terminals

Continue: Refer to Verification. Verification