CS35 2013.04
3.1.13-81 3.1.13-81Electronic Control System - ME7
P0112, P0113
Air intake temperature sensor sig-
nal fault
1. Catalyst heating off
2. Stop fuel supply self-
learning
3. In the afterrun stage, all
cooling fans stop working
and not affected by the
water temperature
4. Idle diagnose
5. Pre - catalytic oxygen
sensor aging diagnosis
Remove circuit faults
between IAT sensor
and ECM, or replace
the intake pressure &
temperature sensor
P0117, P0118
Coolant temperature sensor sig-
nal fault
1. Stop fuel supply self -
learning
2. In the afterrun stage, all
the cooling air fans are
working and not affected by
the water temperature.
3. Idle diagnosis off
4. Pre - catalytic oxygen
sensor aging diagnosis
closed
5. Pre - catalytic oxygen
sensor circuit diagnosis
closed
6. Post - catalytic oxygen
sensor circuit diagnosis
closed
Remove circuit faults
between CTS sensor
and ECM, or replace
the coolant tempera-
ture sensor
P0121, P0122,
P0123, P0221,
P0222, P0223
Throttle position sensor signal
fault
1. Estimate the throttle
opening according to engine
RPM
2. Disable the flooding fea-
ture.
Remove circuit faults
between TPS sensor
and ECM, or replace
TPS sensor
P0130, P0131,
P0132, P0134
Pre - catalytic oxygen sensor sig-
nal fault
Stop closed loop fuel control
Remove injector chok-
ing, fuel pressure regu-
lator damage, intake
vacuum leakage,
exhaust pipe leakage,
fuel contamination or
circuit faults between
pre - catalytic oxygen
sensor and ECM
DTC Code Description
Failure Protection
Operation
Prerequisite of
Releasing Failure
Protection
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