Infiniti G37 Coupe. Manual — part 317
CCS
POWER SUPPLY AND GROUND CIRCUIT
CCS-81
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000001606943
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT FOR ICC SENSOR INTEGRATED UNIT
1.
Turn ignition switch OFF.
2.
Disconnect ICC sensor integrated unit connector.
3.
Turn ignition switch ON.
4.
Check voltage between ICC sensor integrated unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace ICC sensor integrated unit power supply harness or fuse.
3.
CHECK GROUND CIRCUIT FOR ICC SENSOR INTEGRATED UNIT
1.
Turn ignition switch OFF.
2.
Check continuity between ICC sensor integrated unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace ICC sensor integrated unit ground harness.
Power source
Fuse No.
Ignition switch ON or START
45
Terminals
Voltage
(Approx.)
(+)
(–)
ICC sensor integrated
unit connector
Terminal
E67
1 Ground
Battery
voltage
ICC sensor integrated
unit connector
Terminal
Ground
Continuity
E67
4 Existed
CCS-82
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
PARK/NEUTRAL POSITION SWITCH (M/T)
PARK/NEUTRAL POSITION SWITCH (M/T)
Description
INFOID:0000000001606944
Park/neutral position switch provides input signals to ECM, which transmits the data to ICC sensor integrated
unit with CAN communication.
ICC sensor integrated unit performs the following controls via park/neutral position switch.
• Rejects any attempt to set ICC system when M/T shift knob is set at neutral position.
• Cancels ICC system when M/T shift knob is set to neutral position.
Component Function Check
INFOID:0000000001606945
1.
CHECK OPERATION OF PARK/NEUTRAL POSITION SWITCH
With CONSULT-III
With “ICC” of “Data Monitor”, check if “NP SW SIG” operate normally.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Go to
Diagnosis Procedure
INFOID:0000000001606946
1.
CHECK PARK/NEUTRAL POSITION SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect park/neutral position switch connector and ECM connector.
3.
Check continuity between park/neutral position switch harness connector and ECM harness connector.
4.
Check continuity between park/neutral position switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
REPAIR OR REPLACE HARNESS BETWEEN PARK/NEUTRAL POSITION SWITCH AND ECM
Repair or replace harness between park/neutral position switch and ECM.
>> GO TO 10.
3.
CHECK PARK/NEUTRAL POSITION SWITCH GROUND CIRCUIT
Check continuity between park/neutral position switch harness connector and ground.
“NP SW SIG”
M/T shift knob at Neutral
: On
M/T shift knob at a position other
than Neutral
: Off
Park/neutral position switch
ECM
Continuity
Connector
Terminal Connector
Terminal
F55
1
M107
109
Existed
Park/neutral position switch
Ground
Continuity
Connector
Terminal
F55
1
Not existed
CCS
PARK/NEUTRAL POSITION SWITCH (M/T)
CCS-83
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
REPAIR OR REPLACE HARNESS BETWEEN PARK/NEUTRAL POSITION SWITCH AND GROUND
Repair or replace harness between park/neutral position switch and ground.
>> GO TO 10.
5.
CHECK PARK/NEUTRAL POSITION SWITCH
Check park/neutral position switch. Refer to
CCS-83, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
REPLACE PARK/NEUTRAL POSIRION SWITCH
Replace park/neutral position switch.
>> GO TO 10.
7.
PERFORM SELF-DIAGNOSIS OF ECM
1.
Perform self-diagnosis of ECM.
2.
Check if DTC is detected. Refer to
.
Is any DTC detected?
YES
>> GO TO 8.
NO
>> GO TO 9.
8.
REPAIR OR REPLACE APPLICABLE ITEM
Repair or replace the applicable item identified by the self-diagnosis result.
>> GO TO 10.
9.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 10.
10.
CHECK ICC SYSTEM
1.
Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to
CCS-11, "ACTION TEST : Special Repair
Requirement (Vehicle-To-Vehicle Distance Control Mode)"
).
2.
Check that no abnormal condition is present in the ICC system.
>> INSPECTION END
Component Inspection
INFOID:0000000001606947
1.
CHECK PARK/NEUTRAL POSITION SWITCH
Check continuity between park/neutral position switch terminals.
Park/neutral position switch
Ground
Continuity
Connector
Terminal
F55
2
Not existed
CCS-84
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
PARK/NEUTRAL POSITION SWITCH (M/T)
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace park/neutral position switch.
terminals
Condition
Continuity
1
2
When shift knob is neutral position
Existed
When shift knob is except neutral position
Not existed
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