Geely Emgrand X7. Manual part — 226

A. Refer to 2.12.7.12 Electronic Throttle Body (ETC) Inspection for the technical parameters.

Do the TPS1 and TSP2 sensors output signal meet the specified values?

3

Inspect ECM Power Supply Circuit and ground circuit.

Refer to 2.12.7.43 DTC P0562 to inspect ECM power supply circuit and ground circuit.

P0563” ECM power and ground circuits normal?

4

Refer to Replacement of Engine Control Module to replace ECM.

5

Refer to 2.12.7.11“Crankshaft Position Sensor (CKP) Learn to carry out the
crankshaft position sensor learn.

6

Use fault diagnosis tester to confirm if DTC is stored again .

A. Connect fault diagnosis tester to the data link connector.

B. Rotated ignition switch to ON position

C. Clear DTC code.

D. Start and run the engine at idle speed to warm up the engine for at least 5 min.

E. Road test the vehicle for at least 10min.

F. Read control system DTC code again to confirm that the system has no DTC code output.

7 Troubleshooting

No

Refer to 2.12.7.3 Intermittent Fault
Inspection for intermittent fault.

Yes

Next

Next

No

Power and ground circuits fault.

Yes

No

Refer to 2.6.8.5 Replacement of Electrical
Throttle Body Assembly to replace the
electrical throttle body assembly.

Yes

903

2.12.7.54 DTC P2138

1. DTC

description:

DTC P2138

Electronic Acceleration Pedal Position Sensor #1 and #2 Related Malfunctions

ECM compares APP1 and APP2 signals. APP2 input signal at any given time should be close to
twice the APP1 signal. If ECM detects the APP1 and APP2 signals do not satisfy this condition,
ECM will report the DTC code.

2. Conditions For Setting DTC and The Fault Location:

DTC Code

DTC Detection
Strategy

Set(Control Strategy) Conditions Fault

Locations

P2122

Hardware Circuit
Malfunction

– APS1 signal is not keep pace

with APS2 Deliver

– Input signal difference larger

than 8%.

1. APP

2. APP Sensor

Circuit

3. ECM

3. Circuit

figure

Refer to 2.12.7.51 DTC P2122 P2123.

4. Diagnostic

Steps:

1

Inspect whether there is other TPS system related DTC code?

A. Connect fault diagnosis tester to the vehicle diagnostic interface.

B. Rotated ignition switch to ON position .

C. Press the power button of fault diagnosis tester.

D. Select the following menu items: Engine/Read DTC codes.

E. Read DTC codes.

Results

DTC Codes Shown

To Step

Only P2138

Yes

has P2122,P2123,P2127,P2128

No

2

Inspect TPS1 and TPS2 output voltage signals.

(a) For technical specifications, refer to 2.12.7.13 Acceleration Pedal Position Sensor (APP)

Yes

Refer to 2. 12.7.14 DTC Chapter Index.

No

904

Inspection.

Do the APP1 and APP2 sensors output signal meet the specified values?

3

Inspect ECM Power Supply Circuit and ground circuit.

A. Refer to 2.12.7.43 DTC P0562 P0563 to inspect ECM Power Supply Circuit and ground

circuit.

ECM power and ground circuits normal?

4

Refer to Replacement of Engine Control Module to replace ECM.

5

Refer to 2.12.7.11“Crankshaft Position Sensor (CKP) Learn to carry out the
crankshaft position sensor learn.

6

Use fault diagnosis tester to confirm if DTC is stored again .

A. Connect fault diagnosis tester to the data link connector.

B. Rotated ignition switch to ON position

C. Clear DTC code.

D. Start and run the engine at idle speed to warm up the engine for at least 5 min.

E. Road test the vehicle for at least 10min.

F. Read control system DTC code again to confirm that the system has no DTC code output.

7 Troubleshooting

No

Refer to 2.12.7.3 Intermittent Fault
Inspection for intermittent fault.

Yes

Next

Next

No

Power and ground circuits fault.

Yes

No

Refer to 2.6.8.5 “Replacement of Electric
Acceleration Pedal” to replace the electric
acceleration pedal.

Yes

905

2.12.7.55 DTC P0633 U0167 U0426

1. DTC

description:

DTC P0633 Anti-theft Does Not Learn Malfunction

DTC U0167 No response of anti-theft device

DTC U0426 Anti-theft Device Authentication Malfunction

ECM communicates with Anti-theft control module through ECM harness connector EN01
terminal No.46 R-LINE and wiring harness connector EN01 terminal No.75 R-LINE.

2. Conditions For Setting DTC and The Fault Location:

DTC
Code

DTC Detection
Strategy

Conditions For Setting The
DTC (Control Strategy)

Fault Locations

P0633

Anti-theft Does
Not Learn
Malfunction

1. Ignition switch ON”.

2. Anti-theft device doesn't

study or fail to study.

U0167

No response of
anti-theft device

1. Ignition switch ON”.

2. Anti-theft Device No

Response

U0426

Anti-theft Device
Authentication
Malfunction

1. Ignition switch ON”.

2. Anti-theft Device Request

Authentication Failed

1. Ignition

key

2. Ignition

Key

Incentive Coil

3. ECM

4. Chip

Security

Module

5. Data

Circuit

(W-LIN Circuit,
R-LIN Circuit)

906