Fuel Delivery and Air Induction: Testing and Inspection
INSPECTION1. REMOVE V-BANK COVER
a. Using a 5 mm hexagon wrench, remove the 3 cap nuts.
b. Loosen the V-bank cover fastener counterclockwise.
c. Remove the V-bank cover.
2. WARM UP ENGINE
Allow the engine to warm up to normal operating temperature.
3. CONNECT HAND-HELD TESTER OR OBD II SCAN TOOL
a. Connect the hand-held tester or OBD II scan tool to the DLC3.
b. Please refer to the hand-held tester or OBD II scan tool operator's manual for further details.
4. INSPECT FUEL CUT OFF PRM
a. Increase the engine speed to at least 3,500 rpm.
b. Use a sound scope to check for injector operating noise.
c. Check that when the throttle lever is released, injector operation noise stops momentarily and then resumes.
HINT: Measure with the A/C OFF.
Fuel return rpm: 1,200 rpm
5. DISCONNECT HAND-HELD TESTER OR OBD II SCAN TOOL
6. REINSTALL V-BANK COVER
a. Using 5 mm hexagon wrench, install the V-bank cover with the 3 cap nuts.
b. Press down the V-bank cover fastener.