SsangYong Rexton. Service manual — part 142
DI10-173
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
DIAGNOSIS
DI ENG SM - 2004.4
Trouble Code and Symptom
Diagnosis Procedures
TCU Signal Fault
TCU Signal Fault
Trouble Code
Symptom
P0700
YES
YES
Check ECU wiring
Wiring Problem?
Check wiring and insulation
NO
Wiring Problem?
NO
Repair completed
Repair or
replace
Repair wiring
YES
Check CAN communication
(between High and Low: 120
Ω)
Communication problem
continues
NO
Repair or
replace
(Replace TCU)
DI10-174
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
DIAGNOSIS
DI ENG SM - 2004.4
YES
Trouble Code and Symptom
Diagnosis Procedures
Air Conditioner Operating Circuit Fault
Open Circuit
Short to +Batt
Short to Ground
Trouble Code
Symptom
P1540
P1541
P1542
Unable A/C Operation
Unable A/C Operation
Unable A/C Operation
YES
YES
Check vehicle condition
(above fault is related to A/C
system)
Switch without sensor?
Check sensor connection
NO
Wiring Problem?
Check sensor
Sensor Problem?
Repair completed
N/A
Repair or
replace
Replace
sensor
YES
Check A/C circuit and
compressor
A/C Problem?
NO
Repair or
replace
NO
YES
Wiring Problem?
Repair wiring
NO
YES
Check ECU wiring
NO
Wiring Problem?
Repair or
replace
Check wiring and insulation
NO
YES
Replace sensor
Trouble Continues?
NO
Replace ECU
DI10-175
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
DIAGNOSIS
DI ENG SM - 2004.4
YES
Trouble Code and Symptom
Diagnosis Procedures
Excessive Water in Fuel Filter
Excessive Water in Fuel Filter
Trouble Code
Symptom
P1149
Water Separator Warning Light ON
Torque Reduction Mode Operation
YES
YES
Remove fuel filter
Water in fuel filter?
Check water detection sensor
NO
Wiring Problem?
Check water detection
sensor wiring
Wiring Problem?
Replace ECU
Repair
completed
Repair or
replace
Repair or
replace
YES
Check wiring and insulation
Wiring Problem?
NO
Repair wiring
NO
YES
Wiring Problem?
Repair or
replace
NO
YES
Check resistance of water
detection sensor
NO
Resistance Problem?
Replace
coolant
temperature
sensor
Check ECU wiring
NO
DI10-176
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
DIAGNOSIS
DI ENG SM - 2004.4
Trouble Code and Symptom
Diagnosis Procedures
Immobilizer Malfunction
Immobilizer Malfunction
Trouble Code
Symptom
P1634
P4335
P1630
P1631
P1632
P1633
P0633
P1636
MIL ON
Immobilizer Warning Light ON
YES
YES
Check immobilizer unit
and ECU wiring
Wiring Problem?
NO
Perform immobilizer coding
again
NO
Repair or replace immobi-
lizer unit and related devices
Repair or
replace
Repair
completed
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