Check The Tps Ground Circuit For An Open Or Short - Chery Tiggo 2009 Service Manual

8.

CHECK THE TPS GROUND CIRCUIT FOR AN OPEN OR SHORT

• Check harness continuity between electronic throttle control actuator terminal 2 and ECM terminal 78.
• Continuity should exist.
• Check harness for short to power and short to ground.
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.
9.
CHECK TPS
• Connect all harness connectors disconnected.
• Turn ignition switch on.
• Check voltage between ECM terminals 54 (TP sensor 1) and ground, terminal 38 (TP sensor 2) and ground
under the following conditions:
ECM
ITEM
TERMINAL
NO.
Electronic
throttle
38 (TPS
control
connector
actuator
terminal 5)
(Position
sensor)
Ignition
switch
on
Electronic
54 (TPS
throttle
connector
control
terminal 6)
actuator
Is the check result normal?
Yes >>
Go to the next step.
No >>
Replace electronic throttle control actuator, and perform throttle valve position learning.
208
03–
DIAGNOSIS & TESTING
DATA (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
Chery Automobile Co., Ltd.