ZDX V6-3.7L (2010)
Is there continuity?
YES -
Repair a short in the wire between the PCM (A38) and the PSP switch.
NO -
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.
14. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
15. Disconnect the PSP switch 2P connector.
16. Connect PSP switch 2P connector terminals No. 1 and No. 2 with a jumper wire, then start the engine.
17. Check the PSP SWITCH in the DATA LIST with the HDS.
Does it change to ON?
YES -
Replace the PSP switch See: Maintenance/Hoses/Power Steering Line/Hose/Service and Repair/Hydraulic Power Steering Hose, Line, and Pressure
Switch Replacement.
NO -
Go to step 18.
18. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
19. Remove the jumper wire from the PSP switch 2P connector.
