MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-232
STEP 3. Check connector B-23 at left bank heated oxygen
sensor (rear) and connector C-62 at ECM <M/T> or
connector C-59 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES :
Go to Step 4.
NO :
Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 5.
STEP 4. Check for short circuit to ground between left
bank heated oxygen sensor (rear) connector B-23 terminal
4 and ECM connector C-62 terminal 73 <M/T> or PCM
connector C-59 terminal 73 <A/T>.
Q: Is the harness wire in good condition?
YES :
Replace the ECM or PCM. Then go to Step 5.
NO :
Repair it. Then go to Step 5.
AK103510AB
CONNECTOR: B-23
AK000225
CONNECTOR : C-62<M/T>, C-59<A/T>
C-59
C-62
PCM<A/T>
ECM<M/T>
AL
AK103510AB
CONNECTOR: B-23
AK000225
CONNECTOR : C-62<M/T>, C-59<A/T>
C-59
C-62
PCM<A/T>
ECM<M/T>
AL