Chery Tiggo 2009 Service Manual page 641

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.
• Also check harness for short to power and short to ground.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace circuit for an open or short to power or short to ground in harness or connectors.
9.
CHECK TPS
• Connect all harness connectors disconnected.
• Turn ignition switch on.
• Check voltage between ECM terminals 54 (TPS1 signal), 38 (TPS2 signal) and ground under the following con-
ditions:
TPS
TERMINAL ITEM
NO.
Throttle
Position
5
Sensor 2
(TPS2)
Ignition
switch:
ON
Throttle
Position
6
Sensor 1
(TPS1)
Is the check result normal?
Yes >>
Go to the next step.
No >>
Replace the Electronic Throttle Control Actuator (See Electronic Throttle Control Actuator Removal &
Installation in Section 03 Electronic Engine Controls).
Chery Automobile Co., Ltd.
DIAGNOSIS & TESTING
DATA (DC
CONDITION
VOLTAGE)
• Engine
stopped
•
4.24 V
Accelerator
pedal:
Fully
released
• Engine
stopped
•
Accelerator 0.72 V
pedal:
Fully
depressed
• Engine
stopped
•
0.74 V
Accelerator
pedal:
Fully
released
• Engine
stopped
•
4.62 V
Accelerator
pedal:
Fully
depressed
03
357
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