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Home >> Acura >> 1999 >> 3.2TL >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Multiplex Control Systems >> System Testing >> Preliminary Tests

Preliminary Tests

  1. Ensure fuse No. 9 (7.5-amp) located in driver's underdash fuse/relay box and fuse No. 13 (7.5-amp) located in passenger's underdash fuse/relay box. If fuses are blown, locate and repair cause of blown fuse. If fuse(s) are okay, perform affected/appropriate MULTIPLEX CONTROL UNIT test. Repair as necessary. After repairs, go to next step.
  2. Check for Diagnostic Trouble Codes (DTCs). See RETRIEVING DIAGNOSTIC TROUBLE CODES (DTCs)  under SELF-DIAGNOSTIC MODE 1 TESTS. Repair as necessary. If no DTC is indicated, proceed to WAKE-UP FUNCTION TESTS  under SELF-DIAGNOSTICS.