Component Inspection

Component Inspection

1. Reconnect ECM and APS harness connector.
2. With ignition "ON", install Scantool and monitor the "APS 1 & APS 2" parameter on the Scantool data list.
A. Specification: Refer to "Signal Waveform & Data" in the "General Information" procedure





3. Is sensor data near the specified value ?
YES
1) Check for poor connection between ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
1) Check APS for contamination, deterioration, or damage. Substitute with a known-good APS and check for proper operation. If the problem is corrected, replace APS and then go to "Verification of Vehicle Repair" procedure.