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Diagnostic Procedure

WARNING: This page is about a different car, the 2007 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1132 DIAGNOSTIC PROCEDURE TABLE

STEP INSPECTION ACTION
1 INSPECT COMMUNICATION CIRCUIT FOR CONTINUITY 
  • Disconnect keyless control module connector and keyless antenna (LF) connector.
  • Inspect the continuity between the following connector terminals.
    • keyless control module: 2C-keyless antenna: A
    • keyless control module: 2D-keyless antenna: B
  • Is there continuity?
 Yes
No
  • Repair the wiring harness between the keyless antenna (LF) 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: B1132
 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] .)
(See CARD KEY ID CODE REGISTRATION[ADVANCED KEYLESS SYSTEM] .)
(See STEERING LOCK UNIT ID CODE REGISTRATION[ADVANCED KEYLESS SYSTEM] .)
(See KEYLESS CONTROL MODULE CONFIGULATION[ADVANCED KEYLESS SYSTEM] .)
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING[ADVANCED KEYLESS SYSTEM] .)
(See SECURITY ACCESS PROCEDURE[ADVANCED KEYLESS SYSTEM] .)
No DTC troubleshooting completed.
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