Chery A1 2009 Service Manual page 267

• Check voltage between ECM terminals 16 (APP sensor 4), ECM terminal 40 (APP sensor 1) and ground under
the following conditions:
TERMINAL NO.
16
40
Is the check result normal?
Yes >>
Go to step 11.
No >>
Replace the Accelerator Pedal Assembly (See Accelerator Pedal Position Sensor Removal & Installa-
tion in Section 03 Electronic Engine Controls).
Perform accelerator pedal position learning.
Perform throttle valve position learning.
7.
CHECK THE TPS SIGNAL CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch off.
• Disconnect the ECM electrical connector.
• Check continuity between the electronic throttle control actuator terminal 5 and ECM terminal 38, and electronic
throttle control actuator terminal 6 and ECM terminal 54.
• Continuity should exist.
• Check harness for short to power or short to ground.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace the open circuit, short to power or short to ground in harness or connectors.
8.
CHECK THE TPS GROUND CIRCUIT FOR AN OPEN OR SHORT
• Check continuity between the electronic throttle control actuator terminal 2 and ECM terminal 78.
• Continuity should exist.
• Check harness for a short to power and short to ground.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace the open circuit or short to power or short to ground in harness or connectors.
160
03–
DIAGNOSIS & TESTING
APP SENSOR REFERENCE DATA
ITEM
Accelerator Pedal
Position Sensor
Ignition switch: ON
Accelerator Pedal
Position Sensor
CONDITION
Engine stopped
Accelerator pedal:
Fully released
Engine stopped
Accelerator pedal:
Fully depressed
Engine stopped
Accelerator pedal:
Fully released
Engine stopped
Accelerator pedal:
Fully depressed
Chery Automobile Co., Ltd.
DATA (DC
VOLTAGE)
0.72 - 0.74 V
3.95 V
0.36 - 0.37 V
1.97 V