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 at ECU terminals.
2S-E - TCCS TROUBLE CODE IDENTIFICATION
| Code No. (Pattern) | Circuit Affected |
|---|---|
| 1 | System normal |
| 2 | Airflow Meter signal |
| 3 | Ignition signal |
| 4 | Coolant Temperature signal |
| 5 | Oxygen Sensor signal |
| 6 | RPM signal |
| 7 | TPS signal |
| 8 | Intake Air Temperature signal |
| 9 | Vehicle Speed Sensor signal |
| 10 | Starter signal |
| 11 | A/C switch or Neutral/Start Switch signal |
3S-GE - TROUBLE CODES AND PROBABLE CAUSE
| 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 & 24 | Intake Air Temp. Sensor or Circuit, ECU |
| 31 & 32 | Airflow Meter or Circuit, ECU |
| 41 | Throttle Position Sensor or Circuit, ECU |
| 42 | VSS or Circuit, 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 |