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Home >> Mazda >> 2006 >> MX-5 Miata Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> On-Board Diagnostic [Advanced Keyless System) >> DTC U0236 [Advanced Keyless System] >> Diagnostic Procedure

Diagnostic Procedure

DTC U0236 DIAGNOSTIC PROCEDURE TABLE

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 3P and steering lock unit terminal G?
Yes
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?
    • WDS or equivalent: 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 .)
(See CARD KEY ID CODE REGISTRATION [WITH ADVANCED KEYLESS SYSTEM] .)
(See STEERING LOCK UNIT ID CODE REGISTRATION [WITH ADVANCED KEYLESS SYSTEM] .)
(See KEYLESS CONTROL MODULE CONFIGULATION [WITH ADVANCED KEYLESS SYSTEM] .)
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [WITH ADVANCED KEYLESS SYSTEM] .)
(See SECURITY ACCESS PROCEDURE .)
No DTC troubleshooting completed.