Diagnostic Trouble Codes - 1994
Toyota
| 12 | G, NE Signal Circuit No. 1. |
| 13 | G, NE Signal Circuit No. 2. |
| 14 | Ignition Signal. |
| 16 | ECT Control Signal. |
| 21 | Oxygen Sensor (OS) Signal. |
| 22 | Water Temperature Sensor (THW) Signal. |
| 24 | Intake Air Temperature Sensor (THA) Signal. |
| 25 | Air/Fuel ratio lean. |
| 26 | Air/Fuel ratio rich. |
| 27 | Sub-oxygen sensor signal. |
| 31 | Manifold Absolute Pressure Sensor Signal. |
| 41 | Throttle Position Sensor (TPS). |
| 42 | Vehicle Speed Sensor (VSS) Signal. |
| 43 | Starter Circuit Signal. |
| 51 | Switch Condition Signal. |
| 52 | Knock Control Signal. |
| 71 | EGR system malfunction. |
Extracting Trouble Codes:
1. Turn the ignition switch to ON. Do not start the engine.
2. Using a jumprt wire, short terminals T and E1 of the check connector.
3. Read the diagnostic code as indicated by the number of flashes of the "CHECK" engine warning light.
Check Connector (Located Underhood)
