1997 SSANGYONG KORANDO Service Repair Manual

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Page 497 of 2053

SSANGYONG KORANDO 1997 Service Repair Manual M161 ENGINE CONTROLS 1F2 -- 79
D AEW OO M Y_2000
BLANK

Page 498 of 2053

SSANGYONG KORANDO 1997 Service Repair Manual 1F2 -- 80 M161 ENGINE CONTROLS
D AEW OO M Y_2000
OXYGEN SENSOR
YAA1F650
The oxygen sensor is unique among the engine control sensors because is acts like a battery and is able to generate
its own low

Page 499 of 2053

SSANGYONG KORANDO 1997 Service Repair Manual M161 ENGINE CONTROLS 1F2 -- 81
D AEW OO M Y_2000
YAA1F670

Page 500 of 2053

SSANGYONG KORANDO 1997 Service Repair Manual 1F2 -- 82 M161 ENGINE CONTROLS
D AEW OO M Y_2000
KAB1F340
Failure
CodeDescriptionTrouble AreaMaintenance Hint
80Oxygen sensor high
voltage
When recognition the output
that more than nominal
threshold,

Page 501 of 2053

SSANGYONG KORANDO 1997 Service Repair Manual M161 ENGINE CONTROLS 1F2 -- 83
D AEW OO M Y_2000
Failure
CodeDescriptionTrouble AreaMaintenance Hint
81
Bank 1 system short
term fuel trim adaptation
below lean threshold
When recognition the value
le

M161 ENGINE CONTROLS 1F2 -- 83
D AEW OO M Y_2000
Failure
CodeDescriptionTrouble AreaMaintenance Hint
81
Bank 1 system short
term fuel trim adaptation
below lean threshold
When recognition the value
less than nominal control
threshold, it means that when
big deviation in control range
of adaptation values through
fuel and air mixture formation
93
Bank 1 system short
term fuel trim adaptation
above rich threshold
When recognition the value
more than nominal control
threshold, it means that when
big deviation in control range
of adaptation values through
fuel and air mixture formation
96
Bank 1 system short
term fuel trim at rich
stopWhen recognition the short
term fuel trim that more than
nominal threshold
97
Bank1 system short
term fuel trim at lean
stopWhen recognition the short
term fuel trim that less than
nominal threshold
DInspection the intake air leakage
DIns
pection the injectionquantities with
98
Bank 1 system idle
adaptation failure (above
rich threshold)When recognition the long
term fuel trim exceeds rich
threshold
DInspectiontheinjectionquantitieswith
injector block or leakage
DInspection the exhaust leakage
DInspection the ECM
99
Bank 1 system idle
adaptation failure (below
rich threshold)When recognition the long
term fuel trim exceeds lean
threshold
p
100
Bank 1 system learning
control failure (rich, low
load)When recognition the long
term fuel trim exceeds rich
threshold
101
Bank 1 system learning
control failure (lean, low
load)When recognition the long
term fuel trim exceeds lean
threshold
102
Bank 1 system learning
control failure (rich, high
load)When recognition the long
term fuel trim exceeds rich
threshold
103
Bank 1 system learning
control failure (rich, low
load)When recognition the long
term fuel trim exceeds lean
threshold
Circuit Description
In order to control emissions, a catalytic converter is used to covert harmful emissions into harmless water vapor and
carbon dioxide. The ECM has the ability to monitor this process by using a oxygen sensor. The oxygen sensor pro-
duces and output signal which indicates the storage capacity of the catalyst. This in turn indicates the catalyst’s ability
to convert exhaust emission effectively. If the oxygen sensor pigtail wiring, connector, or terminal is damaged. Do not
attempt to repair the wiring, connector, or terminals. In order for the sensor to function properly, it must have a clean air
reference provided to it. This clean air reference is obtained by way of the oxygen sensor wire(s). Any attempt to repair
the wires, connector, or terminal and degrade the oxygen sensor performance.

Page 502 of 2053

SSANGYONG KORANDO 1997 Service Repair Manual 1F2 -- 84 M161 ENGINE CONTROLS
D AEW OO M Y_2000
Oxygen Sensor Signal Voltage Inspection
1. Maintain the engine speed is at idle while the coolant temperature is over 80°C.
2. Measure the oxygen sens

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SSANGYONG KORANDO 1997 Service Repair Manual M161 ENGINE CONTROLS 1F2 -- 85
D AEW OO M Y_2000
BLANK

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SSANGYONG KORANDO 1997 Service Repair Manual 1F2 -- 86 M161 ENGINE CONTROLS
D AEW OO M Y_2000
ENGINE CONTROL MODULE
YAA1F830
The Engine Control Module (ECM), located inside the right side kick panel, is the control center of the fuel injection
s

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