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Home >> Mazda >> 2007 >> CX-7 Touring, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> On-Board Diagnostic (Advanced Keyless System) >> DTC U0236[Advanced Keyless System] >> Diagnostic procedure

Diagnostic procedure

DTC U0236[ADVANCED KEYLESS SYSTEM] DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 INSPECT COMMUNICATION CIRCUIT FOR CONTINUITY 
  • Disconnect keyless control module connector and steering lock unit connector.
  • Is there continuity between keyless control module terminal 3H and steering lock unit terminal K?
 Yes Replace the steering lock unit and perform the resetting procedure for the steering lock unit.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION ).
No Repair the wiring harness between the steering lock unit and keyless control module..
Go to next step
2 INSPECT KEYLESS CONTROL MODULE 
  • Turn the ignition switch to the ON position.
  • Is the DTC displayed?
    • M-MDS: U0236
 Yes Replace the keyless control module and perform the resetting procedure for the advanced keyless system when replacing the keyless control module.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION[ADVANCED KEYLESS SYSTEM] ).
No DTC troubleshooting completed.
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