SsangYong: Engine Euro 4. Manual - part 58

 

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SsangYong: Engine Euro 4. Manual - part 58

 

 

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

20

DIAGNOSIS

ECU

Limp

Home

Mode

Immedi-

ately

Engine Stop

Delayed

Engine

Stop

Torque

Reduction

(max.50%)

Torque

Reduction

(max.20%)

New DTC

DTC

Trouble

Help

P0243

VGT Turbocharger
Actuator Circuit Short

- Causes

• There is electric problem in the

vacuum modulator drive module
of turbocharger.

- Check pin for the followings

(Vacuum Modulator):

• Power (Main Relay)

•  GND (ECU Pin #A71)

- Actions

•  Check the unit’s resistance (15.4 +/

- 0.7 

Ω) and wiring.

• Check the input voltage (12V).

• Visually check the unit and

replace if necessary.

P0245

P0246

Turbo Charger Actuator
Circuit Fault - Short

Turbo Charger Actuator
Circuit Fault - Short to B+

O

O

- The waste gate driver circuit is

short to ground or open

- Check the actuator wiring harness.

- Check the solenoid valve.

- Check the ECU wiring harness.

• Check the ECU pin #95 for open

and short.

- Replace the ECU if required.

- The turbo charger actuator power

source circuit is short.

- Check the actuator wiring harness.

- Check the solenoid valve.

- Check the ECU wiring harness for

short and poor contact.

- Replace the ECU if required.

P0251

P0253

P0255

IMV Driver Circuit Mal-
function - Short

IMV Driver Circuit Mal-
function - Short to Ground

IMV Driver Circuit Mal-
function - Open

O

O

O

- IMV driver circuit malfunction: Short

- Check the IMV wiring harness.

• Check the ECU pin #87 for short.

- Check the ECU wiring harness.

- Check the IMV resistance.

• When out of specified value: re-

place high pressure pump and IMV

- Replace the ECU if required.

- IMV driver circuit malfunction: Short

to ground

- Check the IMV wiring harness.

• Check the ECU pin #87 for short

to ground.

- Check the ECU wiring harness.

- Check the IMV resistance.

• When out of specified value: re-

place high pressure pump and IMV

- Replace the ECU if required.

- IMV driver circuit malfunction: Open

- Check the IMV wiring harness.

• Check the ECU pin #87 for open.

- Check the ECU wiring harness.

- Check the IMV resistance.

• When out of specified value: re-

place high pressure pump and IMV

- Replace the ECU if required.

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

21

DIAGNOSIS

ECU

BRAKE

ECU

TCU

A/BAG

TC

RK-STICS

FFH

R/SENSOR

FA

T

C

TGS-LEVER

P/TRUNK

CCCS

Limp

Home

Mode

Immedi-

ately

Engine Stop

Delayed

Engine

Stop

Torque

Reduction

(max.50%)

Torque

Reduction

(max.20%)

New DTC

DTC

Trouble

Help

P0263

P0266

Injector #1 Balancing Fault

Injector #2 Balancing Fault

- Injector #1 cylinder balancing faults

(Injector stuck closed).

- Check the injector circuit for open.

- Check the glow plug.

- Check the inlet tube for clogging.

- Check the EGR.

- Replace the ECU if required (perform

C2I coding after replacement).

- Injector #2 cylinder balancing faults

(Injector stuck closed).

- Check the injector circuit for open.

- Check the glow plug.

- Check the inlet tube for clogging.

- Check the EGR.

- Replace the ECU if required (perform

C2I coding after replacement).

P0269

Injector #3 Balancing Fault

- Injector #3 cylinder balancing faults

(Injector stuck closed).

- Check the injector circuit for open.

- Check the glow plug.

- Check the inlet tube for clogging.

- Check the EGR.

- Replace the ECU if required (perform

C2I coding after replacement).

P0272

P0275

Injector #4 Balancing Fault

Injector #5 Balancing Fault

- Injector #4 cylinder balancing faults

(Injector stuck closed).

- Check the injector circuit for open.

- Check the glow plug.

- Check the inlet tube for clogging.

- Check the EGR.

- Replace the ECU if required (perform

C2I coding after replacement).

- Injector #5 cylinder balancing faults

(Injector stuck closed).

- Check the injector circuit for open.

- Check the glow plug.

- Check the inlet tube for clogging.

- Check the EGR.

- Replace the ECU if required (perform

C2I coding after replacement).

P0325

Accelerometer #1 (Knock
Sensor) Malfunction

- The signal / noise ratio is too low

about accelerometer # 1.

- Check the accelerometer wiring

harness and tightening torque.

• Tightening torque: 20 ± 5 Nm

- Check the ECU wiring harness for

open and short.

• ECU pin #45 and #46

- If the trouble still exists even after

replacing the accelerometer,
replace the ECU.

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

22

DIAGNOSIS

ECU

Limp

Home

Mode

Immedi-

ately

Engine Stop

Delayed

Engine

Stop

Torque

Reduction

(max.50%)

Torque

Reduction

(max.20%)

New DTC

DTC

Trouble

Help

P0325

Accelerometer #1 (Knock
Sensor) Malfunction

- The signal / noise ratio is too low

about accelerometer # 1.

- Check the accelerometer wiring

harness and tightening torque.

• Tightening torque: 20 ± 5 Nm

- Check the ECU wiring harness for

open and short.

• ECU pin #45 and #46

- If the trouble still exists even after

replacing the accelerometer,
replace the ECU.

P0335

No Crank Signals

- Refer to P0372.

P0336

Too Large Clearance of
Crank Angle Sensor

- Air gap of crank angle sensor is

abnormal.

- Check the sensor wiring harness

for ECU pin #90 and #82 (open,
short, poor contact).

- Check the resistance of crank angle

sensor: 1090 

Ω ± 15 %.

- Measure the air gap: 0.3 ~ 1.3 mm

• 1.3 mm of air gap: outputs 1.0 V

at 40 rpm

• 0.3 mm of air gap: outputs 150 V

at 7000 rpm

- Check the teeth condition.

• Drive plate (A/T), DMF (M/T)

- Replace the ECU if required.

P0341

Cam Position Sensor
Malfunction (Poor
Synchronization)

- Not synchronized with Crank angle

signal.

- Check the source voltage of cam posi-

tion sensor (specified value: 4.5 ~ 12 V).

- Check the sensor wiring harness

for ECU pin #103 and #104 (open,
short, poor contact).

- Check the cam position sensor.

- Measure the air gap: 0.2 ~ 1.8 mm

- Replace the ECU if required.

P0344

Cam Position Sensor
Malfunction

- No cam recognition signal (missing

events).

- Check the source voltage of cam

position sensor (ECU pin #111)
(specified value: 4.5 ~ 12 V).

- Check the sensor wiring harness

for ECU pin #103 and #104 (open,
short, poor contact).

- Check the cam position sensor.

- Measure the air gap: 0.2 ~ 1.8 mm

- Replace the ECU if required.

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

23

DIAGNOSIS

ECU

BRAKE

ECU

TCU

A/BAG

TC

RK-STICS

FFH

R/SENSOR

FA

T

C

TGS-LEVER

P/TRUNK

CCCS

Limp

Home

Mode

Immedi-

ately

Engine Stop

Delayed

Engine

Stop

Torque

Reduction

(max.50%)

Torque

Reduction

(max.20%)

New DTC

DTC

Trouble

Help

P0372

Crank Angle Sensor
Malfunction

- Even though cam position recogni-

tion is normal, no crank angle signal
recognition (missing tooth).

- Check the sensor wiring harness

for ECU pin #90 and #82 (open,
short, poor contact).

- Check the resistance of crank angle

sensor: 1090 

Ω ± 15 %.

- Measure the air gap: 0.3 ~ 1.3 mm

• 1.3 mm of air gap: outputs 1.0 V

at 40 rpm

• 0.3 mm of air gap: outputs 150 V

at 7000 rpm

- Check the teeth condition.

• Drive plate (A/T), DMF (M/T)

- Replace the ECU if required.

P0400

EGR Control Valve Fault

- When the EGR emission is more

than specified value.

• The EGR controller circuit is

open or short to ground.

• The EGR controller is short to battery.

- Check the EGR actuator wiring harness.

- Check the supply voltage to EGR

solenoid valve.

- Check if the EGR valve is stuck.

- Check the resistance of EGR valve:

15.4 

Ω.

- Check the ECU wiring harness.

• Check the ECU pin #96 for open

and short.

P0402

EGR Valve Stuck in
Open Position

- Causes

• The EEGR valve is stuck with it open.

- Check pin (refer to the page 1407)

- Actions

• Check EEGR valve and sensor wiring.

• Visually check the unit and

replace if necessary.

• Replace the ECU if required.

• Refer to DTCs (P0407 and P0408).

P0401

EGR Control Valve Fault
(Low)

- When the EGR emission is more

than specified value.

• The EGR controller circuit is

open or short to ground.

• The EGR controller is short to battery.

- Check the EGR actuator wiring harness.

- Check the supply voltage to EGR

solenoid valve.

- Check if the EGR valve is stuck.

- Check the resistance of EGR valve:

15.4 

Ω.

- Check the ECU wiring harness.

• Check the ECU pin #96 for open

and short.

 

 

 

 

 

 

 

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