Probable Causes:
- Throttle Position Sensor IDL Circuit
- Accelerator Pedal Or Cable
- Neutral/Start Switch Or Switch Circuit
- A/C Switch Or Switch Circuit
- ECU
To check throttle position sensor or circuit, see Code 41.
NOTE:
To check A/C switch signal, use the following procedure.
CODE 51/TEST NO. 9-SWITCH SIGNAL TROUBLE
| Terminal | Trouble | Condition | STD Voltage |
|---|---|---|---|
| A/C-E1 | No Voltage | Ignition Switch ON, A/C ON | 8-14V |