Air Conditioner Operating Circuit Fault - SSANGYONG 2004 Rexton 2.7XDi Workshop Manual

DI10-174

Air Conditioner Operating Circuit Fault

Trouble Code and Symptom
P1540 Open Circuit
P1541 Short to +Batt
P1542 Short to Ground
Diagnosis Procedures
Check vehicle condition
(above fault is related to A/C
system)
Switch without sensor?
NO
Check sensor connection
Wiring Problem?
NO
Check sensor
Sensor Problem?
NO
Check ECU wiring
Wiring Problem?
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
Trouble Code
YES
N/A
YES
Repair or
replace
YES
Replace
sensor
YES
Repair or
replace
Symptom
Unable A/C Operation
Unable A/C Operation
Unable A/C Operation
NO
Check wiring and insulation
Wiring Problem?
NO
Check A/C circuit and
compressor
A/C Problem?
NO
Replace sensor
Trouble Continues?
NO
Repair completed
YES
Repair wiring
YES
Repair or
replace
YES
Replace ECU
DIAGNOSIS
DI ENG SM - 2004.4