Nissan Juke F15. Manual — part 1262
TM-238
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10B]
P0703 BRAKE SWITCH B
P0703 BRAKE SWITCH B
Description
INFOID:0000000012200930
BCM detects ON/OFF state of the stop lamp switch and transmits the data to the CVT control unit via CAN
communication by converting the data to a signal.
DTC Logic
INFOID:0000000012200931
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
1.
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Start the engine.
2. Select “Data Monitor” in “TRANSMISSION”.
3. Select “VEHICLE SPEED”.
4. Drive the vehicle.
5. Maintain the following condition for 10 seconds or more.
6. Stop the vehicle.
7. Select “Self Diagnostic Results” in “TRANSMISSION”.
Is “P0703” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000012200932
1.
CHECK STOP LAMP SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Check voltage between stop lamp switch harness connector terminal and ground.
Is the inspection result normal?
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0703
Brake Switch B Circuit
• TCM detects malfunction in CAN communi-
cation between BCM.
• TCM detects a state that ON/OFF of stop
lamp switch signal is not switched.
• Harness or connectors
- (Stop lamp switch, and BCM circuit are
open or shorted.)
- (CAN communication line is open or
shorted.)
• Stop lamp switch
• BCM
VEHICLE SPEED
: 30 km/h (19 MPH)
+
−
Voltage
Stop lamp switch
Connector
Terminal
E102
1
Ground
Battery voltage
P0703 BRAKE SWITCH B
TM-239
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
YES
>> GO TO 2.
NO
>> GO TO 6.
2.
CHECK CIRCUIT BETWEEN STOP LAMP SWITCH AND BCM (PART 1)
1. Disconnect BCM connector.
2. Check continuity between stop lamp switch harness connector terminal and BCM harness connector ter-
minal.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK CIRCUIT BETWEEN STOP LAMP SWITCH AND BCM (PART 2)
Check short circuit in harness between stop lamp switch harness connector terminal 2 and BCM harness con-
nector terminal 9.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
CHECK INSTALLATION POSITION OF STOP LAMP SWITCH
Check stop lamp switch mounting position. Refer to
BR-9, "Inspection and Adjustment"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Adjust stop lamp switch mounting position.
5.
CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to
TM-239, "Component Inspection (Stop Lamp Switch)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
.
NO
>> Repair or replace stop lamp switch.
6.
DETECT MALFUNCTIONING ITEM
Check the following items:
• Open circuit or short circuit in harness between battery and stop lamp switch connector terminal 1. Refer to
PG-12, "Wiring Diagram - BATTERY POWER SUPPLY -"
• Battery
• 10A fuse [No.38, located in fuse block (J/B)]. Refer to
PG-80, "Fuse, Connector and Terminal Arrangement"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
.
NO
>> Repair or replace damaged parts.
Component Inspection (Stop Lamp Switch)
INFOID:0000000012200933
1.
CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch connector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
Stop lamp switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
E102
2
M68
9
Existed
Stop lamp switch
Condition
Continuity
Terminal
1 – 2
Depressed brake pedal
Existed
Released brake pedal
Not existed
TM-240
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10B]
P0703 BRAKE SWITCH B
NO
>> Replace the stop lamp switch. Refer to
.
P0705 TRANSMISSION RANGE SENSOR A
TM-241
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
P0705 TRANSMISSION RANGE SENSOR A
DTC Logic
INFOID:0000000012200934
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
1.
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.
PREPARATION BEFORE WORK (PART 2)
Perform function check of combination meter. Refer to
MWI-21, "On Board Diagnosis Function"
>> GO TO 3.
3.
PERFORM FUNCTION CHECK
NOTE:
DTC cannot be identified through this inspection.
1. Turn ignition switch ON.
2. Check that the shift position indicator on the combination meter is displayed correctly when the selector
lever is shifted to each position (“P”, “R”, “N”, “D”).
Is the check result normal?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000012200935
1.
CHECK TRANSMISSION RANGE SWITCH POWER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect transmission range switch connector.
3. Turn ignition switch ON.
4. Check voltage between transmission range switch harness connector terminal and ground.
Is the check result normal?
YES
>> GO TO 2.
NO
>> GO TO 6.
2.
CHECK HARNESS BETWEEN TCM AND TRANSMISSION RANGE SWITCH (PART 1)
1. Turn ignition switch OFF.
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0705
Transmission Range Sensor
A Circuit (PRNDL Input)
• Range signal is not input to TCM.
• 2 or more position signals are input to TCM.
• Harness or connectors
(Transmission range switches circuit is
open or shorted.)
• Transmission range switch
+
−
Condition
Voltage
Transmission range switch
Connector
Terminal
F27
3
Ground
Ignition switch: ON
10 – 16 V
Ignition switch: OFF
Approx. 0 V
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