Chery Tiggo 2009 Service Manual page 702

8.
CHECK TPS
• Connect all harness connectors disconnected.
• Turn ignition switch on.
• Check voltage between ECM terminals 54 (TPS1) and ground, terminal 38 (TPS2) and ground under the follow-
ing conditions:
TPS
TERMINAL ITEM
NO.
Electronic
throttle
5
control
actuator
(TPS2)
Electronic
throttle
6 control
actuator
(TPS1)
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace TPS circuits for open or short.
If the TPS circuits are normal, replace electronic throttle control actuator. Perform throttle valve posi-
tion self-learning.
9.
CHECK APP SENSOR GROUND CIRCUIT FOR AN OPEN OR SHORT
• Turn ignition switch off.
• Disconnect ECM harness connector.
• Check harness continuity between APP sensor terminal 2 and ECM terminal 35, APP sensor terminal 5 and
ECM terminal 36.
• Continuity should exist.
• Also check harness for short to power.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair circuit for an open or short to power in harness or connectors.
418
03–
DIAGNOSIS & TESTING
VOLTAGE
CONDITION
VOLTAGE)
• Engine
stopped
•
Accelerator
pedal:
Fully
released
• Engine
stopped
•
Accelerator
pedal:
Fully
Ignition
depressed
switch:
• Engine
ON
stopped
•
Accelerator
pedal:
Fully
released
• Engine
stopped
•
Accelerator
pedal:
Fully
depressed
(DC
4.24 V
0.72 V
0.74 V
4.62 V
Chery Automobile Co., Ltd.