Infiniti G35 (V35). Manual — part 190
INTELLIGENT KEY SYSTEM
BL-147
C
D
E
F
G
H
J
K
L
M
A
B
BL
3.
CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1.
Connect steering lock unit connector.
2.
Check voltage between Intelligent Key unit harness connector M75 terminal 1 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace Intelligent Key unit.
4.
CHECK STEERING LOCK COMMUNICATION SIGNAL
Check signal between Intelligent Key unit connector M75 terminal 32 and ground with oscilloscope.
OK or NG
OK
>> GO TO 5.
NG
>> Replace Intelligent Key unit.
5.
CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT
1.
Disconnect Intelligent Key unit and steering lock unit connectors.
2.
Check continuity between Intelligent Key unit harness connector M75 terminals 1, 31, 32 and steering
lock unit connector M311 terminals 2, 3, 4.
3.
Check continuity between steering lock unit harness connector
M311 terminals 2, 3, 4 and ground.
OK or NG
OK
>> Replace steering lock unit.
●
After replacing steering lock unit, perform registration procedure. Refer to “CONSULT-II Opera-
tion Manual NATS”.
NG
>> Repair or replace harness between steering lock unit and Intelligent Key unit.
1 (L/Y) - Ground
: Approx. 5V
MIIB0385E
Connector
Terminal
(Wire color)
Condition
Signal (V)
(Reference value)
(+)
(–)
M75
32
(L/OR)
Ground
Ignition
switch is
pushed
MIIB0386E
SIIA1911J
1 (L/Y) - 2 (L/Y)
: Continuity should exist.
31 (G/R) - 4 (G/R)
: Continuity should exist.
32 (L/OR) - 3 (L/OR)
: Continuity should exist.
2 (L/Y) - Ground
: Continuity should not exist.
3 (L/OR) - Ground
: Continuity should not exist.
4 (G/R) - Ground
: Continuity should not exist.
PIIA6799E
BL-148
INTELLIGENT KEY SYSTEM
6.
CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT
1.
Disconnect Intelligent Key unit connector.
2.
Check continuity between Intelligent Key unit harness connector M75 terminal 31 and steering lock unit
connector M311 terminal 4.
3.
Check continuity between steering lock unit harness connector
M311 terminal 4 and ground.
OK or NG
OK
>> Replace Intelligent Key unit.
NG
>> Repair or replace harness between steering lock unit
and Intelligent Key unit.
Check Stop Lamp Switch
NIS001K9
1.
CHECK STOP LAMP SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit connector.
3.
Check voltage between Intelligent Key unit harness connector
M75 terminal 26 and ground.
OK or NG
OK
>> Stop lamp switch is OK.
NG
>> GO TO 2.
2.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
Check voltage between stop lamp switch harness connector E124
terminal 3 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between stop lamp switch
power supply circuit and fuse.
31 (G/R) - 4 (G/R)
: Continuity should exist.
4 (G/R) - Ground
: Continuity should not exist.
PIIB7437E
Connector
Terminal
(wire color)
Condition
Voltage (V)
(Approx.)
(+)
(-)
M75
26 (P/L)
Ground
Brake pedal
depressed
Battery volt-
age
Brake pedal
released
0
PIIB4346E
3 (R/Y) - Ground
: Battery voltage
PIIB7438E
INTELLIGENT KEY SYSTEM
BL-149
C
D
E
F
G
H
J
K
L
M
A
B
BL
3.
CHECK STOP LAMP SWITCH OPERATION
Check continuity between stop lamp switch connector E124 terminal
3 and 4.
OK or NG
OK
>> GO TO 4.
NG
>> Replace stop lamp switch.
4.
CHECK STOP LAMP SWITCH CIRCUIT
1.
Check continuity between Intelligent Key unit harness connec-
tor M75 terminal 26 and stop lamp switch harness connector
E124 terminal 4.
2.
Check continuity between Intelligent Key unit harness connector
M75 terminal 26 and ground.
OK or NG
OK
>> Check condition of harness and connector.
NG
>> Repair or replace harness.
Connector
Terminal
Condition
Continuity
E124
3
4
Brake pedal depressed
Yes
Brake pedal not
depressed
No
PIIB7439E
26 (P/L) - 4 (P/L)
: Continuity should exist.
26 (P/L) - Ground
: Continuity should not exist.
PIIB7440E
BL-150
INTELLIGENT KEY SYSTEM
Check Park Position Switch
NIS001KA
1.
CHECK PARK POSITION SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK
>> Park position switch circuit is OK.
NG
>> GO TO 2.
2.
CHECK PARK POSITION SWITCH
1.
Disconnect A/T device (park position switch) connector.
2.
Check continuity between A/T device (park position switch) terminals 1 and 3.
OK or NG
OK
>> GO TO 3.
NG
>> Check A/T shift lock system. Refer to
3.
CHECK PARK POSITION SWITCH GROUND CIRCUIT
Check continuity between A/T device (park position switch) harness
connector M47 terminal 1 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness.
Connector
Terminal
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(-)
M75
39
(PU/R)
Ground
Selector lever is in “P” position
0
Other than above
Battery voltage
PIIA6805E
Connector
Terminal
Condition
Continuity
M47
3
1
Selector lever is in “P” posi-
tion
Yes
Other than above
No
PIIB4350E
1 (B) – Ground
: Continuity should exist.
PIIB4351E
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