Code 51 - Switch Condition Signal

Data Trouble Code No. 51 - Switch Condition Signal

Detecting Condition
- 3 seconds or more after engine starts with closed throttle position switch OFF (IDL)
- Automatic transmission park/neutral position switch (PNP) OFF
- Air conditioning switched ON

Trouble Area
- Throttle position sensor IDL circuit.
- Accelerator pedal and cable.
- Park/neutral position (PNP) switch circuit.
- Air conditioning switch circuit.
- ECM.

Malfunction Indicator Lamp
Normal Mode N.A.
Test Mode OFF