Chery Tiggo. Manual — part 135
DTC
DTC DEFINITION
P2123
Throttle/Pedal Position Sensor/Switch D Circuit High Input
P2127
Throttle/Pedal Position Sensor/Switch E Circuit Low Input
P2128
Throttle/Pedal Position Sensor/Switch E Circuit High Input
P2138
Accelerator Pedal Position Sensor Signal Correlation Error
P2177
System Too Lean off Idle
P2178
System Too Rich off Idle
P2187
System Too Lean at Idle
P2188
System Too Rich at Idle
P2195
O
2
Sensor Signal Stuck Lean; Bank 1 Sensor 1
P2196
O
2
Sensor Signal Stuck Rich; Bank 1 Sensor 1
P2270
O
2
Sensor Signal Stuck Lean; Bank 1 Sensor 2
P2271
O
2
Sensor Signal Stuck Rich; Bank 1 Sensor 2
U0001
High Speed CAN Defective
U0101
Lost Communication with ECM
U0104
Lost Communication with Cruise Control Module
U0121
Lost Communication with Anti-Lock Brake System (ABS) Control Module
U0155
Lost Communication with Instrument Panel Cluster Control Module
U0415
Invalid Data Received from ABS Control Module
DIAGNOSIS & TESTING
03
ECM Power Supply and Ground Circuit Test
Power Supply And Ground Circuit Diagnostic Check
DIAGNOSIS & TESTING
LTSMW030023T
Check reference values between ECM terminals and ground under the following conditions:
ECM Power Supply Circuits
TERMINAL NO.
ITEM
CONDITION
DATA (DC VOLTAGE)
12
Battery
-
Battery Voltage (11 - 14 V)
13
Ignition switch
Ignition switch: ON
Battery Voltage (11 - 14 V)
Ignition switch: OFF
Approximately 0 V
14
ECM main relay
• Ignition switch: OFF
• More than a few
seconds after turning
ignition switch OFF
Battery Voltage (11 - 14 V)
44
Power supply for ECM
Ignition switch: ON
Battery Voltage (11 - 14 V)
45
63
DIAGNOSIS & TESTING
03
DIAGNOSIS & TESTING
LTSMW030024T
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