740 L4-2320cc 2.3L DOHC B234F (Can) (1992)
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Checking For More Codes
A fault in any of these functions is presented as a DTC in DTM 1.
Entering Control Function #2
DTM 2 tests the signals from the following sensors:
^ TP switch in full load position OK
3-3-3
^ TP switch in idle position OK
3-3-2
^ Engine speed signal from DI OK
3-3-1
^ A/C control on/off OK
1-1-4
^ A/C compressor start OK
1-3-4
^ Engine speed compensation for automatic
transmission OK
1-2-4
Entering Control Function #3
DTM 3 tests the signals to the following control components:
^ FC half speed
^ FC full speed
^ Injectors
^ IAC valve
^ The carbon filter solenoid valve
^ The cold start valve
The distributor Ignition (DI) system
The control module continually checks the following functions when the car is being driven: