Check The Starter Relay Control Circuit (2.0L) - Chery Tiggo 2009 Service Manual

7.
CHECK ECM POWER SUPPLY CIRCUIT - (2)
• Turn ignition switch on and then off.
• Check voltage between ECM terminals 44, 45, 63
and ground.
• Voltage: Turn the ignition switch on and battery
voltage should exist. Turning the ignition switch
OFF, battery voltage will exist for a few seconds,
then drop to approximately 0 V.
Is the check result normal?
Yes >>
Check the starting system.
No >>
Go to the next step.
8.
CHECK THE STARTER RELAY CONTROL CIRCUIT
• Turn ignition switch OFF. Wait for at least 10 sec-
onds.
• Check voltage between ECM terminal 14 and
ground.
• Battery voltage should exist.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Go to step 10.
9.
CHECK ECM POWER SUPPLY CIRCUIT - (3)
• Disconnect ECM harness connector.
• Disconnect front fuse and relay box harness connector F.
• Check harness continuity between ECM terminals 44, 45, 63 and front fuse and relay box terminal F3.
• Continuity should exist.
• Check harness for short to ground and short to power.
Is the check result normal?
Yes >>
Go to step 12.
No >>
Repair circuit for an open or short to power or short to ground in harness or connectors.
Chery Automobile Co., Ltd.
DIAGNOSIS & TESTING
03
LTSMD030062
LTSMD030063
259
03–