Chery A1 2009 Service Manual page 274

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Is the check result normal?
Yes
>>
Go to the next step.
No
>>
Repair circuit for short to ground or short to power in harness or connectors.
8.
CHECK THE TPS
• Connect all harness connectors that have been disconnected.
• Turn ignition switch on.
• Check the voltage between ECM terminals 54 (TP sensor 1 (TPS1) signal), and 38 (TP sensor 2 (TPS2) sig-
nal) and ground under the following conditions:
TPS
TERMINAL
ITEM
NO.
Electronic
throttle
5
control
actuator
(TPS2)
Ignition
switch: ON
Electronic
throttle
6
control
actuator
(TPS1)
Is the check result normal?
Yes
>>
Go to the next step.
No
>>
Repair or replace the TPS circuits for a short or open.
If the TPS circuits are normal, replace the electronic throttle control actuator.
Perform throttle valve position self-learning.
9.
CHECK THE APPS GROUND CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch off.
• Disconnect the ECM electrical connector.
• Check continuity between APPS2 terminal 2 and ECM terminal 35, and APPS1 terminal 5 and ECM terminal
36.
• Continuity should exist.
• Check harness for a short to power.
Is the check result normal?
Yes
>>
Go to the next step.
No
>>
Repair or replace the open circuit or short to power in harness or connectors.
Chery Automobile Co., Ltd.
DIAGNOSIS & TESTING
TPS REFERENCE DATA
VOLT (DC
CONDITION
VOLTAGE)
Engine:
Stopped
Accelerator
4.24 V
pedal:
Fully
released
Engine:
Stopped
Accelerator
0.72 V
pedal:
Fully
depressed
Engine:
Stopped
Accelerator
0.74 V
pedal:
Fully
released
Engine:
Stopped
Accelerator
4.62 V
pedal:
Fully
depressed
03
167
03–

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