SsangYong Rexton. Manual - part 124

DI10-101

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

DIAGNOSIS

DI ENG SM - 2004.4

Trouble Code and Symptom

Diagnosis Procedures

EGR Actuator Malfunction

EGR Vacuum Modulator - Short to GND

EGR Vacuum Modulator - Short to +Batt

Trouble Code

Symptom

P1405

P1406

MIL ON

Unable EGR Control (Air Flow)

YES

YES

YES

YES

Check actuator wiring

Wiring Problem?

Check resistance of actuator

NO

Resistance Problem?

Check ECU wiring

NO

Wiring Problem?

Replace actuator

Trouble Continues?

NO

Repiar Completed

Repair or

replace

Replace

actuator

Repair or

replace

Replace ECU

NO

YES

Check wiring and insulation

NO

Wiring Problem?

NO

Repair wiring

DI10-102

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

DIAGNOSIS

DI ENG SM - 2004.4

Trouble Code and Symptom

Diagnosis Procedures

Condenser Fan Driving Signal Fault
(Type 1)

Open Circuit

Short Circuit

Short to Ground

Trouble Code

Symptom

P1480

P1481

P1482

Unable Air Conditioner Operation

MIL ON

Below Limited Temperature of Engine Overheat

Detection

YES

YES

YES

Check relay wiring

Wiring Problem?

Check ECU wiring

NO

Wiring Problem?

Check wiring and insulation

NO

Wiring Problem?

Repiar Completed

Repair or

replace

Repair or

replace

Repair wiring

NO

YES

Perform forced operation

and replace relay

NO

Not available forced operation?

NO

Replace ECU

DI10-103

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

DIAGNOSIS

DI ENG SM - 2004.4

Trouble Code and Symptom

Diagnosis Procedures

Condenser Fan Driving Signal Fault
(Type 2)

Open Circuit

Short Circuit

Short to Ground

Trouble Code

Symptom

P1526

P1527

P1528

Unable Air Conditioner Operation

MIL ON

Below Limited Temperature of Engine Overheat

Detection

YES

YES

YES

Check relay wiring

Wiring Problem?

Check ECU wiring

NO

Wiring Problem?

Check wiring and insulation

NO

Wiring Problem?

Repiar Completed

Repair or

replace

Repair or

replace

Repair wiring

NO

YES

Perform forced drive and

replace relay

NO

Not available forced operation?

NO

Replace ECU

DI10-104

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

DIAGNOSIS

DI ENG SM - 2004.4

Trouble Code and Symptom

Diagnosis Procedures

#1 Accelerometer Malfunction
(Idling Signal/Too Small Noise Ratio)

#1 Accelerometer (Knock Sensor) Malfunction

Trouble Code

Symptom

P0325

MIL ON

Unable Accelerometer Learning Strategy

YES

YES

YES

YES

“Caution: Check the sensing
value of coolant temp., intake
air temp., fuel temp. baromet-
ric pressure. Incorrect default
values of theses sensors may
cause wrong diagnosis.”

Check accelerometer wiring
and tightening torque, espe-
cially shield ground.

Wiring Problem?

Check ECU wiring

NO

Wiring Problem?

Check wiring and insulation

NO

Wiring Problem?

Replace accelerometer

(knock sensor)

Trouble Continues?

NO

Repiar Completed

Repair or

replace

Repair or

replace

Repair wiring

Replace ECU

NO

NO