Terminal and Connection Inspection

Disconnect the PCM connectors and inspect for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Reconnect the connectors.
Connect the GDS and go to "Current Data".
Monitor PCM values in Current Data, check and wiggle the harness(es), connector(s), and terminal(s).
Any change in the values indicates a poor connection. Was a connector problem found?
YES
- Repair the connector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to next step below.

Check Item	Specifications	Check Condition	Terminal (+)	Terminal (-)
Back Up Voltage	Remain stable at battery voltage	Ignition SW "ON"	Hot at all times terminal of PCM Harness	Chassis Ground

Are circuits remaining stable at battery voltage?
YES
- Using a GDS, check PCM software version and upgrade as necessary. If version is the newest one, check PCM for contamination, deterioration, or damage. Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- If voltage fluctuates, check circuit for loose, bent or corroded terminals, Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NOTE: It is necessary to perform the TPS adaptation procedure with GDS when the throttle body assembly or PCM is replaced.
■ TPS adaptation procedure
Turn the ignition switch "OFF" and then "ON" without cranking. Wait for 10 seconds under Prerequisite Condition.
→ Prerequisite Condition: Battery voltage >10V & Intake Air Temperature > 5.3°C (41.5°F) & 5.3°C (41.5°F) < Engine Coolant Temperature < 99.8°C (211.6°F)