Condenser Fan Driving Signal Fault
(Type 2)
Trouble Code and Symptom
P1526
Open Circuit
P1527
Short Circuit
P1528
Short to Ground
Diagnosis Procedures
Check relay wiring
Wiring Problem?
NO
Check ECU wiring
Wiring Problem?
NO
Check wiring and insulation
Wiring Problem?
NO
Perform forced drive and
replace relay
Not available forced operation?
NO
DIAGNOSIS
DI ENG SM - 2004.4
Trouble Code
YES
Repair or
replace
YES
Repair or
replace
YES
Repair wiring
YES
Replace ECU
Symptom
Unable Air Conditioner Operation
MIL ON
Below Limited Temperature of Engine Overheat
Detection
NO
Repiar Completed
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
DI10-103