SsangYong: Engine Euro 4. Manual - part 51
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
33
1491
DIAGNOSIS
D27DTP/D27DT (EU4) SM - 2006.08
D27DTP/D27DT (EU4)
ENGINE
FUEL
I
N
T
AKE
EXHAUST
PRE-HEA
TING
LUB
COOLING
SWITCHABLE
ECU
DIAGNOSIS
New DTCs for Changes in Injector Specifications
Engine
Malfunction
Indicator
light
P0171
P0172
P0173
P0174
P0175
P0147
P0148
P0611
P0612
Insufficient MDP
of Injector #1
Insufficient MDP
of Injector #2
Insufficient MDP
of Injector #3
Insufficient MDP
of Injector #4
Insufficient MDP
of Injector #5
Impossible to
learn Idle MDP
Impossible to
Learn Drive
MDP
No Data for C3I
Internal Error in
C3I Data
- MDP learning value is decreased due to aged in-
jector #1.
- MDP learning value is decreased due to aged in-
jector #2.
- MDP learning value is decreased due to aged in-
jector #3.
- MDP learning value is decreased due to aged in-
jector #4.
- MDP learning value is decreased due to aged in-
jector #5.
- Causes (Idle range MDP learning)
• The MDP is not learned again until driving over
50,000 km after the MDP is learned.
- Conditions for MDP learning (Idle)
• Leaning twice for each cylinder (attempt ev-
ery 5 sec.)
• Initial MDP learning: coolant temperature > 60°C
• Fuel temperature: 0 ~ 80°C
• Vehicle speed: Idle.
• The tachometer’s needle vibrates while learn-
ing idle MDP.
• Replace ECU after learning.
- Causes
• It occurs twice for each cylilnder if MDP is not
learned again until driving over 50,000 km af-
ter the MDP is learned.
- Actions
• Check knock sensor and wiring.
• Check injector specification.
• Check C3I/C2I.
- C3I
• There is no C3I data in ECU or the checksum is
faulty.
- C3I
• The error is occurred while sending C3I data
in ECU to RAM.
DTC
Trouble
Limp
Home
Mode
Delayed
Engine
Stop
Torque
Reduction
(max.
20%)
Help
Torque
Reduction
(max.
50%)
Immedi-
ately
Engine
Stop
O