Check CMPS
WARNING: This page is about a different variant/trim than selected.
- Turn off the ignition switch.
- Connect the GDS to CMP (B2) to check the waveform
- Start the engine.
- Measure signal waveform at signal terminal of CMPS.
Reference signal waveform:
- Is the measured signal waveform normal?
YES
- Substitute with a known - good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known - good CMPS and check for proper operation. If the problem is corrected, replace CMPS and go to "VERIFICATION OF VEHICLE REPAIR " procedure.