Probable Causes:
- A/C Switch or Switch Circuit
- A/C Amplifier
- Accelerator Pedal or Cable
- Neutral/Start Switch or Switch Circuit
- Throttle Position Sensor IDL Circuit
- ECU
NOTE:
To check throttle position sensor or circuit, see CODE 41/TEST NO. 7 - THROTTLE POSITION SENSOR (TPS) SIGNAL.
NOTE:
To check A/C switch signal, use the following trouble table.
CODE 51 - SWITCH CONDITION SIGNAL TROUBLE
| Terminal | Trouble | Condition | STD Voltage |
|---|---|---|---|
| A/C-E1 | No Voltage | Air Conditioning ON | 8-14V |
NOTE:
Diagnostic chart not available from manufacturer.