Operation CHARM: Car repair manuals for everyone.

Signal Too low. Permanent Fault





Checking For A Short-circuit
- Ignition off.
- Disconnect connector from solenoid valve.
- Check cable between solenoid valve terminal 2 and engine control module (ECM) # A37 for a short-circuit to ground.





Verification
- After carrying out the repair, check that the fault has been remedied as follows.
- Ignition off.
- Solenoid valve and engine control module connected.
- Ignition on.
- Activate solenoid valve.
- A "clicking sound" is heard from the solenoid valve when it is activated.
- Is the solenoid valve working?

If reading is OK:
^ Fault corrected

If reading is incorrect:
^ Proceed to test step below.

Fault-tracing Information
The verification result shows that the fault persists.

- Do you want to exit fault-tracing?

Yes:
^ Fault hot corrected

No:
^ Return to Checking For A Short-circuit section above.