MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-509
STEP 9. Check for harness damage between generator
connector B-45 terminal 4 and ECM connector C-58
terminal 52 <M/T> or PCM connector C-55 terminal 54 <A/
T>.
NOTE: Check harness after checking intermediate connector
B-13. If intermediate connector is damaged, repair or replace
them. Refer to GROUP 00E, Harness Connector Inspection
. Then go to Step 10.
Q: Is the harness wire in good condition?
YES :
Replace the generator. Then go to Step 10.
NO :
Repair it. Then go to Step 10.
STEP 10. Using scan tool MB991502, read the diagnostic
trouble code (DTC).
CAUTION
To prevent damage to scan tool MB991502, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Start the engine and run at idle.
(3) Read the DTC.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC P0622 is output?
YES :
Retry the troubleshooting.
NO :
The inspection is complete.
AK000735AB
CONNECTOR:B-45
AK000225
CONNECTOR : C-58<M/T>, C-55<A/T>
C-55
C-58
PCM<A/T>
ECM<M/T>
AI
AKX01177
16 PIN
MB991502
AB