TCCS Resistance Tests
The TCCS can be checked using an ohmmeter. Before making resistance tests, turn ignition off and disconnect wiring connectors at ECU. Insert ohmmeter probes into wiring connectors from wire side. Measure resistance at connector terminals, NOT ECU terminals.
TROUBLE CODES AND PROBABLE CAUSE FOR CODES
| Code No. | Probable Cause |
|---|---|
| 11 | Main Relay or Circuit, ECU |
| 12 & 13 | Distributor or Circuit, Starter Signal Circuit, ECU |
| 14 | Ignitor or Circuit, ECU |
| 21 | Oxygen Sensor or Circuit, ECU |
| 22 | Coolant Temp. Sensor or Circuit, ECU |
| 23 | Intake Air Temp. Sensor or Circuit, ECU |
| 31 & 32 | Airflow Meter or Circuit, ECU |
| 41 | Throttle Position Sensor or Circuit, ECU |
| 42 | Vehicle Speed Sensor or Ckt, Slipping Torque Converter, ECU |
| 43 | Main Relay Circuit, Starter Circuit, Ignition Circuit, ECU |
| 51 | Neutral/Start Switch, A/C Switch, ECU |
| 52 | Knock Sensor or Circuit, ECU |
| 53 | ECU |