Geely Emgrand X7. Manual part — 222

2.12.7.50 DTC P2119

1. DTC

description:

DTC P2119

Electronic Throttle Return Malfunction

After the ignition switch is switched off, electronic throttle stays at the initial angle of 14.5
degrees. If the ignition switch is off, the throttle is always off, the DTC code may be recorded it
may be accompanied by the engine difficult to start and so on.

2. Conditions For Setting DTC and The Fault Location:

DTC Code

DTC Detection
Strategy

Set(Control Strategy)
Conditions

Fault Locations

P2119

Electronic Throttle
Return Malfunction

1. Ignition Switch OFF for

several times.

2. If throttle can't reach

requirement, conduct return
test.

Proper opening

1. Electronic

Throttle Body
Dirty

2. Electronic

Throttle Body
Mechanical
Malfunction

3. Diagnostic

Steps:

1

Inspect whether there is other ETC system related DTC codes?

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

B. Rotated ignition switch to ON position

C. Switch on fault diagnostic apparatus power supply

D. Read DTC code

Results

DTC Codes Shown

To Step

Only P2119

Yes

DTC Code Other Than P2119

No

2

Clean Electronic Throttle Body

A. Refer to 2.6.8.5 Replacement of Electrical Throttle Body Assembly to dismantle the throttle

body.

B. Clean electronic throttle body.

No

Refer to 2. 12.7.14 DTC Chapter Index.

Yes

887

3

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

4

Replace the electronic throttle body (ETC).

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

5

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

6

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?

7

Replace ECM. Refer to 2.12.8.1 Replacement of Engine Control Module.

No

Power and ground circuits fault.

Yes

No

Troubleshooting

Yes

Next

No

Troubleshooting

Yes

Next

888

8

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

9

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.

10 Troubleshooting

No

Refer to 2.12.7.3 Intermittent Fault
Inspection for intermittent fault.

Yes

Next

Next

889

2.12.7.51 DTC P2122 P2123

1. DTC

description:

DTC P2122

Electronic Acceleration Pedal Position Sensor #1 Circuit Low Voltage

DTC P2123

Electronic Acceleration Pedal Position Sensor #1 Circuit High Voltage

In order to protect the security of the system, acceleration pedal position sensor (APP) uses a
dual-sensor setting, sliding resistive. APP sensor 1 output is IP51 terminal No.4, through ECM
wiring harness Connect EN01 terminal No.41 to ECM.

2. Conditions For Setting DTC and The Fault Location:

DTC Code

DTC Detection
Strategy

Set(Control Strategy) Conditions Fault

Locations

P2122

Hardware Circuit
Malfunction

1. APS1 signal terminal grounded

or open.

2. Input signal larger than 97.5%.

P2123

Hardware Circuit
Malfunction

1. APS1 signal terminal grounded

or open.

2. Input signal less than 3.5%

1. Acceleration

Pedal Position
Sensor

2. Acceleration

Pedal Position
Sensor Circuit

3. ECM

890