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Pinpoint Test JB

  1. This test diagnoses 2 conditions: warning light is on at all times and warning light never comes on. If warning light is on at all times, go to next step. Go to step 4) if warning light never comes on.
  2. Turn ignition off to reset warning. Unplug connector from trunk warning switch. Turn ignition on. Check for warning on message center. If warning still appears, go to next step. If warning goes out, service trunk door warning switch.
  3. Turn ignition off. Remove EIC. See, under REMOVAL & INSTALLATION, ELECTRONIC INSTRUMENT CLUSTER (EIC) R & I  . Check for continuity between EIC 16-pin connector pin No. 33 (Brown/White wire) and EIC 12-pin connector pin No. 4 (Pink/Orange wire). Replace EIC if continuity does not exist. Repair short in Brown/White wire if continuity exists.
  4. Turn ignition off. Unplug connector from trunk warning switch. Connect jumper wire between Brown/White wire on harness connector and ground. Turn ignition on. Check for warning on message center. Go to next step if warning does not appear. If warning appears, service switch.
  5. Leave jumper wire connected. Turn ignition off. Remove EIC. Check for continuity between 16-pin C1 connector pin No. 33 (Brown/White wire) and EIC 12-pin connector pin No. 4 (Pink/Orange wire). If continuity exists, replace message center module. Repair open Brown/White wire if continuity does not exist.
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