.
a. Item 11: Oxygen sensor (front)
Q: Is the check result normal?
YES :
Intermittent malfunction (Refer to GROUP
00
-
How to Use
Troubleshooting/Inspection Service Points
3
00
).
NO :
Replace engine-ECU.
STEP 7. Measure at B-112 oxygen sensor (front)
connector.
Use special tool test harness (MD998464) to con-
nect connector, and measure at pick-up harness.
Engine: After warm-up
Ignition switch: ON
Voltage between terminal No. 2 and earth.
OK: 0.5 V or less
Q: Is the check result normal?
YES :
Go to Step 9 .
NO :
Go to Step 8 .
AK300264
1
2
3
4
AB
B-112 (B)
Harness side connector
Oxygen sensor (front)
Connector: B-112
AK300254
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
AB
CONNECTOR: C-137
C-137
Harness side connector
AK300264
1
2
3
4
AB
B-112 (B)
Harness side connector
Oxygen sensor (front)
Connector: B-112