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Test No. 11: Remote Keyless Entry Circuit Problem: Testing

  1. Disconnect 7-pin connector from wireless door lock tuner. Disconnect 25-pin B5 connector from body No. 1 ECU. See Figure. Check continuity between body No. 1 ECU B5 connector, terminal No. 6 (Pink wire) and ground. If continuity does not exist, go to next step. If continuity exists, repair short to ground in Pink wire.
  2. Reconnect 25-pin B5 connector to body No. 1 ECU. Recheck DTCs. If B1242/42 exists, replace body No. 1 ECU. If B1242/42 does not exist, replace wireless door lock tuner.
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