Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) CCM-0002 is stored if the control module registers that the diagnostic signal from the blower fan power unit is above 10 V and the control current to the blower fan power unit is above 8.56 mA.

Substitute value
- The blower fan cannot start while the fault persists
- The air conditioning (A/C) compressor is not allowed to start.

Possible source
- Blocked blower fan motor
- Open-circuit in the signal cable
- Open-circuit in the ground lead for the fan motor
- Short-circuit to supply voltage in the ground lead for the blower fan motor
- Short-circuit to ground in the control signal cable
- Open-circuit in the control signal cable
- Short-circuit to supply voltage in the diagnostic signal cable
- Defective blower fan motor or power unit
- Contact resistance.

Fault symptom[s]
- The blower fan does not operate
- Air flow problem
- No cooling from the air conditioning (A/C) system.