SsangYong Rexton. Manual - part 132

DI10-133

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

DIAGNOSIS

DI ENG SM - 2004.4

Unable Accelerometer Decoding

Unable Dynamic Leak of Injector #1

Unable Dynamic Leak of Injector #2

Unable Dynamic Leak of Injector #4

Unable Dynamic Leak of Injector #5

Unable Dynamic Leak of Injector #3

Unable Cylinder Balancing

Unable Accelerometer Learning Strategy

Limited Rail Pressure Mode Operation

Trouble Code and Symptom

Diagnosis Procedures

1. Diagnosis Procedures (Rail Pressure Control)

Rail Pressure Control Fault (Too Slow
Pressure Build Up while Cranking)

Rail Pressure Build Up - Too Slow

Trouble Code

Symptom

P1191

YES

YES

Read DTC

Rail preaaure sensor or IMV

Related DTC?

NO

Rail Pressure Sensor

Problem?

Check transfer fuel system

NO

Replace ECU

Refer to IMV

diagnosis

Repair or

replace

YES

YES

Transfer Fuel System

Problem?

Check high pressure fuel

system

NO

H/P Fuel System Problem?

Repair or

replace

Repair or

replace

NO

DI10-134

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

DIAGNOSIS

DI ENG SM - 2004.4

YES

YES

2. Diagnosis Procedures (Transfer Fuel System)

YES

YES

Check fuel level

Fuel Exhausted?

“Visually check transfer fuel

system (fuel leaks, installation)”

NO

Transfer Fuel System

Problem?

NO

Check fuel filter specification

Different Specification?

NO

Transfer fuel system is normal

Add fuel

Repair or

replace

Replace filter
with new one

NO

Check if the air in transfer

fuel system is too much (with

a low pressure tester)

Excessive Air in Transfer

Fuel System?

NO

Install a

container to

H/P pump

venturi.

Remove

venturi return

lines. Fill fuel

with hand

pump.

3. Diagnosis Procedures (High Pressyre Fuel System)

YES

Check transfer fuel system

Cause Found?

NO

Repair or

replace

HP fuel system is normal

DI10-135

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

DIAGNOSIS

DI ENG SM - 2004.4

Unable Accelerometer Decoding

Delayed Engine Stop

Unable Dynamic Leak of Injector #1

Unable Dynamic Leak of Injector #2

Unable Dynamic Leak of Injector #4

Unable Dynamic Leak of Injector #5

Unable Dynamic Leak of Injector #3

Unable Cylinder Balancing

Unable H/P Leak Detection

Unable Accelerometer Learning Strategy

Limited Rail Pressure Mode Operation

Trouble Code and Symptom

Diagnosis Procedures

IMV Operation Fault (Electrical Fault)

Open Circuit

Short Circuit

Short to Ground

Trouble Code

Symptom

P0255

P0251

P0253

YES

Check IMV wiring

Wiring Problem?

Replace ECU

Repair or

replace

YES

Check resistance of IMV

NO

Resistance Problem?

Replace H/P

pump and IMV

NO

YES

Check ECU wiring

NO

Wiring Problem?

Repair or

replace

YES

Check wiring and insulation

NO

Wiring Problem?

Repair wiring

DI10-136

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

DIAGNOSIS

DI ENG SM - 2004.4

Trouble Code and Symptom

Diagnosis Procedures

Intake Air Temperature Sensor Fault
(Electric Fault)

High

Low

Supply Voltage

Trouble Code

Symptom

P0112

P0113

P0110

MIL ON

YES

YES

YES

YES

Read DTC

Fault in sensor supply voltage?

Check sensor wiring

NO

Wiring Problem?

Check sensor resistance

NO

Check ECU wiring

Wiring Problem?

Check wiring and insulation

NO

Wiring Problem?

Replace ECU

NO

Repair or

replace

Sensor problem caused by supply voltage
to sensor. Locate the problem while dis-
connecting the sensor connectors one by
one. If not sensor problem, check sensor
supply voltage circuit for open and short.

Repair or

replace

Repair wiring

NO

YES

Resistance Problem?

Replace

sensor

NO