Chery A1 2009 Service Manual page 215

6.
CHECK INJECTOR POWER SUPPLY CIRCUIT FOR OPEN OR SHORT
• Turn ignition switch on.
• Check injector supply voltage between terminal 1 and ground, terminal side.
• Battery voltage should exist.
Is the check result normal?
Yes >>
Go to step 8.
No >>
Go to the next step.
7.
DETECT MALFUNCTIONING PART
• Check the following for a possible malfunction:
− Fuse EF5
− Main relay
− Front fuse and relay box A-040
− Harness for an open or short to ground between injector and fuse
Is the check result normal?
Yes >>
With X-431, check the system, If OK, go to the next step.
No >>
Repair or replace malfunctioning part(s).
8.
CHECK INJECTOR CONTROL CIRCUITS FOR OPEN
• Check injector control circuit voltage.
• 3.6 V should exist.
Is the check result normal?
Yes >>
Go to step 10.
No >>
Go to the next step.
9.
DETECT MALFUNCTIONING PART
• Turn ignition switch off.
• Disconnect the ECM electrical connector.
• Check the continuity between the following terminals:
INJECTOR NO
TERMINAL
1
2
3
4
108
03–
DIAGNOSIS & TESTING
CHECK INJECTOR CIRCUIT
ECM INJECTOR
TERMINAL
27 2
6 2
7 2
47 2
Chery Automobile Co., Ltd.