Nissan Leaf. Manual — part 1165
TM-66
< DTC/CIRCUIT DIAGNOSIS >
[ELECTRIC SHIFT]
P0571 BRAKE SWITCH A
DTC/CIRCUIT DIAGNOSIS
P0571 BRAKE SWITCH A
DTC Logic
INFOID:0000000010119573
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, power switch OFF and wait for at least
10 seconds, then perform the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Set the vehicle to READY.
2. Accelerate the vehicle up to 50 km/h (31 MPH) and then depress the brake pedal to decelerate and stop
the vehicle.
3. Repeat step 2 five more times.
4. Check DTC.
Is “P0571” detected?
YES
>> Go to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
.
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010119574
1.
CHECK STOP LAMP SWITCH SIGNAL
With CONSULT
1. Set the vehicle to READY.
2. Select “Data Monitor” in “SHIFT”.
3. Select “BRAKE SWITCH” and “BRAKE SWITCH (CAN)”.
4. Identify an abnormal signal value.
Which signal value is abnormal?
BRAKE SWITCH>>GO TO 2.
BRAKE SWITCH (CAN)>>GO TO 5.
2.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Power switch OFF.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible cause
P0571
BRAKE SWITCH A
(Brake Switch “A” Circuit)
It is detected that the stop lamp switch cannot be
switched to ON/OFF.
• Stop lamp switch (ON stuck or OFF
stuck)
• Electric shift control module
• Harness or connectors
(Each circuit is open or shorted.)
Condition
Item
BRAKE SWITCH
BRAKE SWITCH (CAN)
Brake pedal is depressed
ON
ON
Brake pedal is released
OFF
OFF
P0571 BRAKE SWITCH A
TM-67
< DTC/CIRCUIT DIAGNOSIS >
[ELECTRIC SHIFT]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
2. Disconnect the stop lamp switch connector.
3. Check the voltage between stop lamp switch vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
DETECTION OF MALFUNCTION ITEMS
Check the following items:
• Harness open circuit or short circuit between the stop lamp switch vehicle side harness connector and 12V
battery.
• 12V battery
• 20A fuse (#77) (Refer to
.)
Is the inspection result normal?
>> Repair or replace the malfunctioning parts.
4.
CHECK STOP LAMP SWITCH SIGNAL INPUT CIRCUIT
1. Disconnect the VCM connector.
2. Check the continuity between VCM vehicle side harness connector terminal and stop lamp switch vehicle
side harness connector terminal.
3. Check the continuity between VCM vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace the malfunctioning parts.
5.
CHECK STOP LAMP SWITCH
Check the stop lamp switch. Refer to
BRC-100, "Component Inspection"
Is the inspection result normal?
YES
>> Replace the VCM due to malfunction in the electric shift control module built in VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> Replace the stop lamp switch. Refer to
BRC-10, "Component Parts Location"
Stop lamp switch
Ground
Voltage
Connector
Terminal
E102
3
Ground
9 – 16 V
VCM
Stop lamp switch
Continuity
Connector
Terminal
Connector
Terminal
E62
101
E102
4
Existed
VCM
Ground
Continuity
Connector
Terminal
E62
101
Ground
Not existed
TM-68
< DTC/CIRCUIT DIAGNOSIS >
[ELECTRIC SHIFT]
P0705 TRANSMISSION RANGE SENSOR A
P0705 TRANSMISSION RANGE SENSOR A
DTC Logic
INFOID:0000000010119575
DTC DETECTION LOGIC
Position Pattern Table
DTC CONFIRMATION PROCEDURE
1.
PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, power switch OFF and wait for at least
10 seconds, then perform the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Set the vehicle to READY.
2. Select “Data Monitor” in “SHIFT”.
3. Select “RANGE POSITION”.
4. Shift the selector lever as follows. (Hold the selector lever at each position for 2 seconds or more.)
-
H
→ N → R → N → D → N → H
5. Repeat step 4 five more times.
6. Check DTC.
Is “P0705” detected?
YES
>> Go to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
.
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010119576
1.
CHECK ELECTRIC SHIFT SENSOR INPUT SIGNAL
With CONSULT
1. Set the vehicle to READY.
2. Select “Data Monitor” in “SHIFT”.
3. Select “SHIFT SENSOR 1”, “SHIFT SENSOR 2”, “SHIFT SENSOR 3”, “SHIFT SENSOR 4”, “SHIFT SEN-
SOR 5”, and “SHIFT SENSOR 6”.
4. Operate the selector lever to identify a electric shift sensor of which value does not change.
DTC
CONSULT screen terms
[Trouble diagnosis content]
DTC detection condition
Possible cause
P0705
TRANSMISSION RANGE SENSOR A
[Transmission Range Sensor “A” Circuit
(PRNDL Input)]
One of the electric shift sensors No. 1 to
No. 6 is stuck at ON or OFF.
• Electric shift sensor
• Harness or connectors
(Each circuit is open or shorted.)
Electric shift control module
recognition position
Selector lever position
Electric shift sensor
No. 1
No. 2
No. 3
No. 4
No. 5
No. 6
H
H
OFF
OFF
ON
OFF
OFF
ON
P
H
OFF
OFF
ON
OFF
OFF
ON
R
R
ON
ON
OFF
OFF
OFF
OFF
N
N
OFF
ON
ON
ON
OFF
OFF
D
D
OFF
OFF
OFF
ON
ON
OFF
Monitor item
Condition
Value / Status
SHIFT SENSOR 1
Selector lever is held in R position
ON
Other than the above
OFF
P0705 TRANSMISSION RANGE SENSOR A
TM-69
< DTC/CIRCUIT DIAGNOSIS >
[ELECTRIC SHIFT]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Without CONSULT
1. Set the vehicle to READY.
2. Operate the selector lever.
3. Check the voltage between VCM vehicle side harness connector terminal and ground.
>> GO TO 2.
2.
CHECK HARNESS BETWEEN VCM AND ELECTRIC SHIFT SENSOR
1. Power switch OFF.
2. Disconnect the VCM connector.
3. Disconnect the electric shift sensor connector.
4. Check the continuity between the malfunctioning electric shift sensor identified at Step 1 and the harness
connector terminal located on the vehicle side of the VCM.
SHIFT SENSOR 2
Selector lever is held in R and N positions
ON
Other than the above
OFF
SHIFT SENSOR 3
Selector lever is held in H (Home) and N positions
ON
Other than the above
OFF
SHIFT SENSOR 4
Selector lever is held in N and D positions
ON
Other than the above
OFF
SHIFT SENSOR 5
Selector lever is held in D position
ON
Other than the above
OFF
SHIFT SENSOR 6
Selector lever in H (Home) position
ON
Other than the above
OFF
Monitor item
Condition
Value / Status
Electric
shift sen-
sor
VCM
Ground
Condition
Voltage
(Approx.)
Connector
terminal
1
E61
17
Ground
Selector lever is held in R position
0 V
Other than the above
5 V
3
16
Selector lever is held in H (Home) and N posi-
tions
0 V
Other than the above
5 V
5
3
Selector lever is held in D position
0 V
Other than the above
5 V
2
E62
84
Selector lever is held in R and N positions
0 V
Other than the above
5 V
4
85
Selector lever is held in N and D position
0 V
Other than the above
5 V
6
86
Selector lever in H (Home) position
0 V
Other than the above
5 V
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