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Test 4, Speed Sensor Circuit

  1. Perform VEHICLE SPEED SENSOR test under CRUISE CONTROL CIRCUIT FUNCTION TEST  under TROUBLE SHOOTING. If speed sensor input signals are as specified, go to test for next trouble code displayed or appropriate TROUBLE SHOOTING BY SYMPTOM . If input signals are not as specified, go to next step.
  2. Locate speed sensor on transaxle and remove speed sensor. Disconnect 3-pin connector. Connect positive battery lead to sensor terminal No. 1 (Red/Blue wire). Connect negative battery lead to sensor terminal No. 2 (Red/Green wire). Connect voltmeter positive lead to sensor terminal No. 3 (Red/Yellow wire) and voltmeter negative lead to sensor terminal No. 2. Ensure a change of 0-11 volts or more occurs as sensor shaft is rotated. Voltage should change 4 times per each rotation. If sensor operation is not as specified, replace sensor. If sensor operation is as specified, go to step 4).
  3. Check harness and connectors between CC ECU, speed sensor and combination meter (instrument cluster). Repair or replace as necessary. Check for loose connections. If connections are okay, replace CC ECU and retest system.
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