MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-167
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are: )
• The thermostat is faulty.
• PCM failed.
DIAGNOSIS
STEP 1. Check the cooling system.
Refer to GROUP 14, Engine Cooling Diagnosis
P.14-2
.
Q: Is the cooling system normal?
YES : Replace the PCM. Then check that the DTC P0128
does not reset.
NO : Repair it. Then check that the DTC P0128 does not
reset.
DTC P0130: Heated Oxygen Sensor Circuit (bank 1, sensor 1)
BL
ACK
BL
ACK
BL
ACK
TO PCM
FROM MFI RELAY
WHITE
AK201131
96
109
4
3
1
RIGHT BANK
HEATED OXYGEN
SENSOR (FRONT)
POWERTRAIN CONTROL
MODULE (PCM)
8
9
7
1 2
4
3
B-07
MU802605
2
1
12
23 24 25 26
2
13
3
14
4
15
5
16
6
17
7
18
8
19
9
20 21 22
27 28 29 30 31 32 33
10 11
D-116
1
5
7 8
3 4
9 10
2
6
D-14
MU801335
Right Bank Heated Oxygen Sensor (front) Circuit
9192
939495
96979899
100
105
113114
115116117
118119120
106
107108109
110111112
101102103
104
D-135
(MU803805)