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Test 7

  1. Ignition Switch Circuit Fuse  - Turn ignition switch to OFF position. Ensure RAD/CIG, CIG and ECU/IG fuses are okay. If RAD/CIG, CIG and ECU/IG fuses are okay, go to next step. Replace fuse if necessary. If fuse fails again, check for short in wire harness between fuse and ATS ECU connector "B" terminal No. 8 (Pink/Blue wire). Repair short in harness or connectors as necessary.
  2. Ignition Switch Circuit  - Turn ignition switch to OFF position and disconnect ATS ECU connectors. Turn ignition switch to ACC or ON position. Ensure battery voltage exists between ground and ECU connector "B" terminal No. 8 (Pink/Blue wire). If battery voltage does not exist, repair open in harness or connectors as necessary. If battery voltage exists, check ATS ECU. See PIN VOLTAGE TESTS . If found to be defective, replace ATS ECU and retest system.
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