Infiniti FX35, FX50 (S51). Manual — part 1875
SHIFT LOCK SYSTEM
TM-307
< DTC/CIRCUIT DIAGNOSIS >
[7AT: RE7R01B (VK50VE)]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
YES
>> Go to
NO
>> GO TO 2.
2.
CHECK A/T SHIFT LOCK OPERATION (PART 2)
Attempt to shift the selector lever to any other position with the brake pedal depressed.
Can the selector lever be shifted to any other position?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000005530875
1.
CHECK POWER SOURCE (PART 1)
1.
Turn ignition switch OFF.
2.
Disconnect A/T shift selector connector.
3.
Turn ignition switch ON.
4.
Check voltage between A/T shift selector vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK GROUND CIRCUIT
Check continuity between A/T shift selector vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK HARNESS BETWEEN A/T SHIFT SELECTOR AND SHIFT LOCK UNIT
1.
Disconnect shift lock unit connector.
2.
Check continuity between A/T shift selector connector terminals and shift lock unit A/T shift selector side
connector terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
CHECK SHIFT LOCK UNIT
1.
Remove shift lock unit. Refer to
2.
Check shift lock unit. Refer to
TM-309, "Component Inspection (Shift Lock Solenoid)"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-36, "Intermittent Incident"
.
NO
>> Replace shift lock unit. Refer to
.
A/T shift selector vehicle side harness connector
Ground
Condition
Voltage (Approx.)
Connector
Terminal
M137
8
Depressed brake pedal.
Battery voltage
Released brake pedal.
0 V
A/T shift selector vehicle side harness connector
Ground
Continuity
Connector
Terminal
M137
4
Existed
A/T shift selector connector
Shift lock unit A/T shift selector side connector
Continuity
Connector
Terminal
Connector
Terminal
M137
8
M222
3
Existed
4
4
TM-308
< DTC/CIRCUIT DIAGNOSIS >
[7AT: RE7R01B (VK50VE)]
SHIFT LOCK SYSTEM
5.
CHECK POWER SOURCE (PART 2)
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch connector.
3.
Turn ignition switch ON.
4.
Check voltage between stop lamp switch vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 9.
6.
CHECK STOP LAMP SWITCH (PART 1)
Check stop lamp switch. Refer to
TM-309, "Component Inspection (Stop Lamp Switch)"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 12.
7.
CHECK HARNESS BETWEEN STOP LAMP SWITCH AND SHIFT SELECTOR (PART 1)
Check continuity between stop lamp switch vehicle side harness connector terminal and A/T shift selector
vehicle side harness connector terminal.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace damaged parts.
8.
CHECK HARNESS BETWEEN STOP LAMP SWITCH AND SHIFT SELECTOR (PART 2)
Check continuity between stop lamp switch vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-36, "Intermittent Incident"
.
NO
>> Repair or replace damaged parts.
9.
CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND STOP LAMP SWITCH (PART 1)
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) connector.
3.
Check continuity between fuse block (J/B) vehicle side harness connector terminal and stop lamp switch
vehicle side harness connector terminal.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace damaged parts.
10.
CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND STOP LAMP SWITCH (PART 2)
Stop lamp switch vehicle side harness connector
Ground
Voltage (Approx.)
Connector
Terminal
E110
3
Battery voltage
Stop lamp switch vehicle side harness connector
A/T shift selector vehicle side harness connector
Continuity
Connector
Terminal
Connector
Terminal
E110
4
M137
8
Existed
Stop lamp switch vehicle side harness connector
Ground
Continuity
Connector
Terminal
E110
4
Not existed
Fuse block (J/B) vehicle side harness connector
Stop lamp switch vehicle side harness connector
Continuity
Connector
Terminal
Connector
Terminal
E103
4F
E110
3
Existed
SHIFT LOCK SYSTEM
TM-309
< DTC/CIRCUIT DIAGNOSIS >
[7AT: RE7R01B (VK50VE)]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Check continuity between fuse block (J/B) vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Repair or replace damaged parts.
11.
DETECT MALFUNCTIONING ITEM
Check the following.
• Harness for short or open between ignition switch and fuse block (J/B). Refer to
• Ignition switch
• 10A fuse [No.3, located in the fuse block (J/B)]. Refer to
PG-156, "Fuse, Connector and Terminal Arrange-
.
• Fuse block (J/B)
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-36, "Intermittent Incident"
.
NO
>> Repair or replace damaged parts.
12.
CHECK INSTALLATION POSITION OF STOP LAMP SWITCH
Adjust stop lamp switch position. Refer to
BR-7, "Inspection and Adjustment"
.
>> GO TO 13.
13.
CHECK STOP LAMP SWITCH (PART 2)
Check stop lamp switch. Refer to
TM-309, "Component Inspection (Stop Lamp Switch)"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace stop lamp switch. Refer to
.
Component Inspection (Shift Lock Solenoid)
INFOID:0000000005530876
1.
CHECK SHIFT LOCK SOLENOID
Apply voltage to terminals 3 and 4 of shift lock unit connector, and then check that shift lock solenoid is acti-
vated.
CAUTION:
Connect the fuse between the terminals when applying the voltage.
Can the lock plate be moved up and down?
YES
>> INSPECTION END
NO
>> Replace shift lock unit. Refer to
.
Component Inspection (Stop Lamp Switch)
INFOID:0000000005530877
1.
CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch connector terminals.
Fuse block (J/B) vehicle side harness connector
Ground
Continuity
Connector
Terminal
E103
4F
Not existed
Shift lock unit connector
Condition
Status
Connector
Terminal
+ (fuse)
−
M222
3
4
Apply 12 V direct current
between terminals 3 and
4.
Shift lock solenoid oper-
ates
TM-310
< DTC/CIRCUIT DIAGNOSIS >
[7AT: RE7R01B (VK50VE)]
SHIFT LOCK SYSTEM
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace stop lamp switch. Refer to
.
Stop lamp switch connector
Condition
Continuity
Connector
Terminal
E110
3
4
Depressed brake pedal.
Existed
Released brake pedal.
Not existed
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