Infiniti I35 (A33). Manual — part 246
Wiring Diagram
NHEC0949
BANK 1
NHEC0949S01
MEC573D
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0340, P0345 CMP SENSOR (PHASE)
Wiring Diagram
EC-325
BANK 2
NHEC0949S02
MEC574D
DTC P0340, P0345 CMP SENSOR (PHASE)
Wiring Diagram (Cont’d)
EC-326
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.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
65
Y
Camshaft position sen-
sor (PHASE) (Bank 1)
[Engine is running]
I
Warm-up condition
I
Idle speed
NOTE:
The pulse cycle changes depending on rpm at idle.
1.0 - 4.0V
★
SEC033D
[Engine is running]
I
Warm-up condition
I
Engine speed is 2,000 rpm.
1.0 - 4.0V
★
SEC034D
85
R
Camshaft position sen-
sor (PHASE) (Bank 2)
[Engine is running]
I
Warm-up condition
I
Idle speed
NOTE:
The pulse cycle changes depending on rpm at idle.
1.0 - 4.0V
★
SEC033D
[Engine is running]
I
Warm-up condition
I
Engine speed is 2,000 rpm.
1.0 - 4.0V
★
SEC034D
★
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
Diagnostic Procedure
NHEC0950
1
CHECK STARTING SYSTEM
Turn ignition switch to START poition.
Does the engine turn over?
Does the starter motor operate?
Yes or No
Yes
©
GO TO 2.
No
©
Check starting system. (Refer to SC-10, “STARTING SYSTEM”.)
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0340, P0345 CMP SENSOR (PHASE)
Wiring Diagram (Cont’d)
EC-327
2
CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten two engine ground screws.
Refer to “Ground Inspection”, EC-160.
SEC047D
OK or NG
OK
©
GO TO 3.
NG
©
Repair or replace ground connections.
3
CHECK CMP SENSOR (PHASE) POWER SUPPLY CIRCUIT
1. Disconnect CMP sensor (PHASE) harness connector (bank 2) or harness connectors F58, F211 (bank 1).
SEC122DB
2. Turn ignition switch ON.
3. Check voltage between CMP sensor (PHASE) harness connector (bank 2) terminal 3 or harness connector F58 (bank
1) terminal 4 and ground with CONSULT-II or tester.
SEC206D
Voltage: Battery voltage
4. Also check harness for short to ground and short to power.
OK or NG
OK
©
GO TO 5.
NG
©
GO TO 4.
DTC P0340, P0345 CMP SENSOR (PHASE)
Diagnostic Procedure (Cont’d)
EC-328
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