Chery Tiggo 2009 Service Manual page 750

3.
DETECT MALFUNCTIONING PART
• Check the following:
− Fuse 17
− Harness connectors C-103, E-103, terminal 1
− Front fuse and relay box connector A
− Harness open or short between ECM and fuse
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace malfunctioning parts.
4.
CHECK ECM POWER SUPPLY CIRCUIT - (2)
• Check voltage between ECM terminal 64 and ground.
• Battery voltage should exist.
Is the check result normal?
Yes >>
Go to the next step.
No
>>
Check the following:
− Harness connectors A-102, E-105, terminal 4
− Front fuse and relay box connector A
− Harness open or short between ECM and battery
5.
CHECK GROUND CONNECTIONS
• Turn ignition switch off.
• Loosen and retighten ground screws on the body.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace ground connections.
6.
CHECK ECM GROUND CIRCUIT FOR AN OPEN OR SHORT
• Disconnect ECM harness connector.
• Check harness continuity between ECM terminals 13, 26 and ground.
• Continuity should exist.
• Also check harness for short to power.
Is the check result normal?
Yes >>
Go to step 8.
No >>
Go to the next step.
7.
DETECT MALFUNCTIONING PART
• Check harness for open or short between ECM terminals 13, 26 and ground.
• Repair open circuit or short to power in harness or connectors.
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.
466
03–
DIAGNOSIS & TESTING
Chery Automobile Co., Ltd.