Chery Tiggo 2009 Service Manual page 424

• Continuity should not exist.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Repair or replace circuit for short to ground in harness or connectors.
11.
CHECK INJECTOR RESISTANCE
• Disconnect injector harness connectors (See Fuel Pressure Test in Section 04 Fuel Delivery).
• Check the resistance of the injectors.
INJECTOR INJECTOR
NO. TERMINAL
1 1 & 2
2 1 & 2
3 1 & 2
4 1 & 2
Is the check result normal?
Yes >>
Go to the next step.
No >>
Replace injector.
Go to step 13.
12.
CHECK INJECTOR
WARNING!
Confirm that the engine is cooled down and there are no fire hazards near the vehicle.
• Remove fuel delivery rail with injectors (See Fuel Injector Rail Removal & Installation 1.6L & 1.8L & 2.0L in
Section 04 Fuel Delivery).
NOTE :
Be careful not to drop the fuel injectors when removing the fuel delivery rail.
• Keep fuel hose and all injectors connected to injector rail.
• Disconnect all injector harness connectors.
• Disconnect all ignition coil harness connectors.
• Prepare pans or saucers under each injector.
• Crank engine for about 3 seconds.
• Make sure fuel does not drip from injector.
Is the check result normal?
Yes >>
Go to next step.
No >>
Replace the injectors from which fuel is dripping. Always replace O-ring with new one.
140
03–
DIAGNOSIS & TESTING
RESISTANCE
(APPROXIMATELY)
(20°C)
16
Chery Automobile Co., Ltd.