Chery A1 2009 Service Manual page 139

10.
CHECK ECM POWER SUPPLYCIRCUIT - (4)
• Disconnect the negative battery cable.
• Disconnect the ECM electrical connector.
• Remove the main relay.
• Check the continuity between ECM terminals 44, 45, 63 and main relay terminal in the front fuse and relay box
A-040.
• Check the main relay.
• Check terminal 16 in connectors A-101 & E-701.
• Check harness for a short to ground or short to power.
Is the check result normal?
Yes >>
Go to step 12.
No >>
Repair the circuit for an open, short in harness or connectors or front fuse and relay box A-040.
11.
CHECK MAIN RELAY CIRCUIT
• Disconnect the ECM electrical connector.
• Remove the main relay.
• Check the continuity between ECM terminal 14 and main relay terminal in the front fuse and relay box A-040.
• Continuity should exist.
• Check the main relay.
• Check terminal 15 in connectors A-101 & E-701.
• Check harness for a short to ground or short to power.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace the malfunctioning components.
12.
CHECK FUSE
• Disconnect fuse EF5 (30A), fuse EF3 (10A) in the front fuse and relay box A-040.
• Check the fuses for an open.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Replace the damaged components.
13.
TEST-3 CHECK FRONT FUSE AND RELAY BOX
• Check front fuse and relay box for damage.
Is the check result normal?
Yes >>
Replace the ECM.
NOTE : The Immobilizer control module must be matched to the new ECM (See ECM Removal & Instal-
lation in Section 03 Electronic Engine Controls).
No >>
Replace the front fuse and relay box.
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03–
DIAGNOSIS & TESTING
Chery Automobile Co., Ltd.