Terminal and Connector Inspection
1.

Disconnect the CMPS and PCM/ECM connectors and inspect for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Reconnect the connectors.

2.

Connect the GDS and go to “Current Data”.

3.

Monitor CMPS values in Current Data, check and wiggle the harness(es), connector(s), and terminal(s).

4.

Any change in the values indicates a poor connection. Was a connector problem found?

▶ Repair the connector. Go to "Verification of Vehicle Repair" procedure.

▶ Go to "Power Circuit Inspection" procedure.

Power Circuit Inspection
■ Check voltage
1.

IG "OFF". Disconnect CMPS

4.

Is the measured voltage within specification ?

▶ Go to "Ground Circuit Inspection" procedure.

▶ Repair open in harness. Go to "Verification of Vehicle Repair" procedure.

Ground Circuit Inspection
■ Check short to battery in harness
1.

IG "OFF". Disconnect CMPS

3.

Is resistance within the specification?

▶ Go to "Signal Circuit Inspection" procedure.

▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.

Signal Circuit Inspection
■ Check short to ground in harness
1.

IG "OFF". Disconnect CMPS

3.

Is resistance within the specification?

▶ Go to next step as below.

▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.

■ Check short to battery in harness
4.

IG "OFF". Disconnect CMPS

7.

Is voltage within the specification?

▶ Go to next step as below.

▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.

■ Check open in harness
8.

IG "OFF". Disconnect CMPS

10.

Is resistance within the specification?

▶ Go to next step as below.

▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.

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