Operation CHARM: Car repair manuals for everyone.
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Checking Components and Wiring



Checking Components And Wiring







- Ignition off

Check the fuse for the signal cable from the ignition lock. If the fuse has blown, check the cable. Check for a short-circuit to ground.

Disconnect the engine control module (ECM).

Check the signal cable from the ignition lock. Check for a short-circuit to supply. Check for an open-circuit.

Measure between:
- Engine control module (ECM) terminal #B17 and the central electronic module (CEM).

Remedy as necessary.

Other Information
- Connecting the breakout box
- Signal specification, engine control module (ECM)
- Location of components, engine compartment
- Component specifications
- Checking wiring and terminals

Continue: Refer to Verification. Verification