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)
or
Automatic transmission park / neutral switch OFF (PNP)
or
Air conditioning switched ON

Trouble Area
^ Throttle position sensor IDL circuit.
^ Accelerator pedal and cable.
^ Park / neutral position switch circuit.
^ Air conditioning switch circuit.
^ Engine control module.

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

NOTE: This code is not stored in memory (i.e. code is lost when ignition switch is turned OFF), check for output of this code before turning ignition OFF.