MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-209
STEP 9. Check for harness damage between left bank
heated oxygen sensor (front) connector B-24 terminal 4
and ECM connector C-62 terminal 71 <M/T> or PCM
connector C-59 terminal 71 <A/T>.
Q: Is the harness wire in good condition?
YES :
Go to Step 10.
NO :
Repair it. Then go to Step 12.
STEP 10. Check for harness damage between left bank
injector connector and ECM connector <M/T> or PCM
connector <A/T>.
a. Check the harness wire between injector connector B-02
terminal 2 and ECM connector C-51 terminal 9 <M/T> or
PCM connector C-52 terminal 9 <A/T> when checking No. 2
cylinder.
b. Check the harness wire between injector connector B-06
terminal 2 and ECM connector C-51 terminal 2 <M/T> or
PCM connector C-52 terminal 2 <A/T> when checking No. 4
cylinder.
c. Check the harness wire between injector connector B-25
terminal 2 and ECM connector C-51 terminal 25 <M/T> or
PCM connector C-52 terminal 25 <A/T> when checking No.
6 cylinder.
Q: Is the harness wire in good condition?
YES :
Go to Step 11.
NO :
Repair it. Then go to Step 12.
AK103509AB
CONNECTOR: B-24
AK000225
CONNECTOR : C-62<M/T>, C-59<A/T>
C-59
C-62
PCM<A/T>
ECM<M/T>
AL
AK000213AB
CONNECTORS : B-02, B-06, B-25
B-02 B-06 B-25
AK000225
CONNECTOR : C-51<M/T>, C-52<A/T>
C-52
C-51
PCM<A/T>
ECM<M/T>
AJ