Titan 4WD V8-5.6L (VK56DE) Flex Fuel (2009)
Fuel Injector: Testing and Inspection
Diagnosis Procedure
FUEL INJECTOR
Diagnosis Procedure
1. INSPECTION START
Turn ignition switch to START.
Is any cylinder ignited?
Yes or No
Yes - GO TO 2.
No - GO TO 3.
2. CHECK OVERALL FUNCTION
With CONSULT-III
1. Start engine.
2. Perform "POWER BALANCE" in "ACTIVE TEST" mode with CONSULT-III.
3. Make sure that each circuit produces a momentary engine speed drop.
Without CONSULT-III
1. Start engine.
2. Listen to each fuel injector operating sound.
Clicking noise should be heard.
OK or NG
OK - INSPECTION END
NG - GO TO 3.
3. CHECK FUEL INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuel injector harness connector.
3. Turn ignition switch ON.