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Test C: Vehicle Speed Sensor Circuitry

  1. Check Vehicle Speed Sensor Switch Input  - Disconnect speed control servo/actuator connector C116 (located on left side of engine compartment). Using an ohmmeter, check resistance between ground and speed control servo/actuator connector C116 terminal No. 3 (Dark Green/White wire). See Figure . If resistance is 200 ohms or more, go to next step. If resistance is less than 200 ohms, go to step 3).
  2. Check For Open Circuit  - Using an ohmmeter, check resistance between ground and speed control servo/actuator connector C116 terminal No. 3 (Dark Green/White wire). See Figure . If resistance is more than 300 ohms, go to step 4). If resistance is 300 ohms or less, replace speed control servo/actuator. Repeat SELF-DIAGNOSTIC TEST  under SELF-DIAGNOSTIC SYSTEM. Test drive vehicle to check operation.
  3. Check Speed Sensor Resistance  - Disconnect vehicle speed sensor connector C104 (located on transaxle near rear of engine). Using an ohmmeter, check resistance between vehicle speed sensor terminals. If resistance is 200-300 ohms, repair short to ground in Dark Green/White wire. Repeat SELF-DIAGNOSTIC TEST  under SELF-DIAGNOSTIC SYSTEM. Test drive vehicle to check operation. If resistance is not 200-300 ohms, replace vehicle speed sensor. Repeat SELF-DIAGNOSTIC TEST  under SELF-DIAGNOSTIC SYSTEM. Test drive vehicle to check operation.
  4. Check Dark Green/White Wire For Open  - Disconnect vehicle speed sensor connector C104 (located on transaxle near rear of engine). Using an ohmmeter, check resistance in Dark Green/White wire between speed control servo/actuator connector C116 terminal No. 3 and vehicle speed sensor connector C104. See Figure . If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or more, repair open in Dark Green/White wire. Repeat SELF-DIAGNOSTIC TEST  under SELF-DIAGNOSTIC SYSTEM. Test drive vehicle to check operation.
  5. Check Vehicle Speed Sensor & Ground Circuit  - Using an ohmmeter, check resistance between vehicle speed sensor terminals. If resistance is 200-300 ohms, repair Pink/Orange or Orange/Yellow wire between vehicle speed sensor and ground. Repeat SELF-DIAGNOSTIC TEST  under SELF-DIAGNOSTIC SYSTEM. Test drive vehicle to check operation. If resistance is not 200-300 ohms, replace vehicle speed sensor. Repeat SELF-DIAGNOSTIC TEST  under SELF-DIAGNOSTIC SYSTEM. Test drive vehicle to check operation.
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