MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-166
DTC P0137: Heated Oxygen Sensor Circuit Low Voltage (bank 1, sensor 2)
AK103015
BLA
CK
BLA
CK
PINK
BLUE
3 4
1 2
FROM MFI RELAY
RIGHT BANK HEATED
OXYGEN SENSOR (REAR)
TO ECM
OR PCM
74<M/T>*2
74<A/T>*4
49<M/T>*1
57<A/T>*3
1
3
2
4
B-28
MU802665
NOTE
*1: ECM connector C-58 <M/T>
*2: ECM connector C-62 <M/T>
*3: PCM connector C-55 <A/T>
*4: PCM connector C-59 <A/T>
ENGINE CONTROL
MODULE (ECM) <M/T>
OR
POWERTRAIN CONTROL
MODULE (PCM) <A/T>
65
43
50
42
49
41
48
60 61
64
46 47
58 59
67 68
45
56
66
52
51
44
53
62
54
63
57
55
C-58 <M/T>
(MU803782)
C-55 <A/T>
(MU803781)
42 43
48 49 50 51 52 53 54 55 56 57
46
45
44
58 59
60 61 62 63
64 65 66
47
41
98
78
71
88 89
76 77
72
79
91
73
80
74
75
81
92
82 83
93
84 85
94
86 87
95 96
90
80
87
81
94
85
82
84
93
86
98
99
74
92
73
83
88
91
95
97
96
100
89
78
71
90
76 77
75
72
79
97
C-62 <M/T>
(MU803783)
C-59 <A/T>
(MU803782)
Right Bank Heated Oxygen Sensor (rear) Circuit
S142
ACX02493AJ
RIGHT BANK
HEATED OXYGEN
SENSOR (REAR)
AK103508
AK103508AB
CONNECTOR: B-28