Infiniti M45 (Y34). Manual — part 392
DTC P0139, P0159 HO2S2
EC-257
C
D
E
F
G
H
I
J
K
L
M
A
EC
Wiring Diagram
ABS002HQ
BANK 1
TBWA0276E
EC-258
DTC P0139, P0159 HO2S2
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
123
PU
Heated oxygen sensor 2
(bank 1)
[Engine is running]
●
Revving engine from idle up to 3,000 rpm
quickly after the following conditions are met.
–
Warm-up condition
–
Keeping the engine speed between 3,500
and 4,000 rpm for 1 minute and at idle for 1
minute under no load
0 - Approximately 1.0V
DTC P0139, P0159 HO2S2
EC-259
C
D
E
F
G
H
I
J
K
L
M
A
EC
BANK 2
TBWA0277E
EC-260
DTC P0139, P0159 HO2S2
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure
ABS002HR
1.
CHECK GROUND CONNECTIONS
1.
Turn ignition switch OFF.
2.
Loosen and retighten two ground screws.
Refer to
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace ground connections.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
124
B
Heated oxygen sensor 2
(bank 2)
[Engine is running]
●
Revving engine from idle up to 3,000 rpm
quickly after the following conditions are met.
–
Warm-up condition
–
Keeping the engine speed between 3,500
and 4,000 rpm for 1 minute and at idle for 1
minute under no load
0 - Approximately 1.0V
PBIB1118E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст