Diagnostic Trouble Code (DTC) Information

ECM-6000 AIR CONDITIONING (A/C) RELAY SIGNAL
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION




Condition
Diagnostic trouble code (DTC) ECM-6000 is stored if the signal from A/C relay is too high, too low or missing.

Condition
None.

Possible source

Signal too high:
- short-circuit to supply voltage in the signal cable
- defective air conditioning (A/C) relay.

Signal too low:
- short-circuit to ground in the signal cable

Signal missing:
- open-circuit in signal cable
- open-circuit in air conditioning (A/C) relay supply
- defective air conditioning (A/C) relay.
- contact resistance in terminals

Condition
- Air conditioning (A/C) system does not operate.