ZDX V6-3.7L (2010)
20. Jump the SCS line with the HDS.
21. Disconnect PCM connector A (49P).
22. Check for continuity between PCM connector terminal A38 and PSP switch 2P connector terminal No. 1.
Is there continuity?
YES -
Go to step 23.
NO -
Repair an open in the wire between the PSP switch and the PCM (A38).
23. Check for continuity between PSP switch 2P connector terminal No. 2 and body ground.
Is there continuity?
YES -
Update the PCM if it does not have the latest software See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Programming and Relearning/PCM Update, or substitute a known-good PCM See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview, then recheck. If the symptom/indication goes away and the PCM was
updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM See: Powertrain
Management/Computers and Control Systems/Engine Control Module/Service and Repair.
NO -
Repair an open in the wire between the PSP switch and G202.
