LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 1997 >> QX4 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> System Tests >> Diagnostic Procedure 2: ASCD Main Switch Check

Diagnostic Procedure 2: ASCD Main Switch Check

  1. Check ASCD Main Switch Power Supply  - Turn ignition off. Disconnect ASCD main switch harness connector. Turn ignition on. Using a DVOM, measure voltage between ASCD main switch harness connector terminals No. 1 (Orange/Blue wire) and No. 4 (Black wire). If battery voltage is present, go to next step. If battery voltage is not present, check for the following and repair as necessary:
    • Faulty fuse No. 12 (7.5-amp), located in fuse block.
    • Open or short in harness between fuse and ASCD main switch.
    • Faulty ASCD main switch ground circuit.
  2. Check ASCD Main Switch  - Check ASCD main switch. See SWITCHES  under COMPONENT TESTS. Replace ASCD main switch if necessary. If ASCD main switch tests okay, go to DIAGNOSTIC PROCEDURE 3  .