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Test 3A: Diagnostic Compare

  1. Turn ignition off. Ensure any accessories have not been improperly installed. Inspect for proper power and ground connections and antenna cable routing. If any problems are found, repair as necessary. If no problems are found, go to next step.
  2. Turn ignition off. Disconnect CAB connectors. Inspect connectors for corroded, damaged or backed-out terminal pins. Repair as necessary. If connectors and terminals are okay, go to next step.
  3. Turn ignition off. Using ohmmeter, measure resistance between CAB connector C2 terminals No. 13 and 14. If resistance is less than 2 ohms, go to next step. If resistance is not as specified, repair open in ground circuits (Black/Pink wires).
  4. Turn ignition off. Disconnect CAB connector C2. Turn ignition on. Turn all accessories on. Using a voltmeter, measure voltage between ground and CAB connector terminals No. 13 and 14. If voltage is more than one volt, repair open in ground circuit. If voltage is less than one volt, go to next step.
  5. If there are no potential causes remaining. replace CAB, see CONTROLLER ANTI-LOCK BRAKE  under REMOVAL & INSTALLATION.
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