Nissan Leaf. Instruction — part 543
EVC-196
< DTC/CIRCUIT DIAGNOSIS >
P155A BATTERY TEMPERATURE SENSOR
2.
CHECK BATTERY TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
1. Turn power switch OFF.
2. Disconnect VCM harness connector.
3. Check the continuity between battery current sensor harness connector and VCM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit. Refer to
EVC-138, "VCM : Diagnosis Pro-
NO
>> Repair or replace error-detected parts.
3.
CHECK BATTERY TEMPERATURE SENSOR GROUND CIRCUIT
1. Turn power switch OFF.
2. Disconnect VCM harness connector.
3. Check the continuity between battery current sensor harness connector and VCM harness connector.
4. Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK BATTERY TEMPERATURE SENSOR
Check the battery temperature sensor. Refer to
EVC-196, "Component Inspection"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> Replace battery current sensor. Refer to
PG-93, "Removal and Installation"
.
Component Inspection
INFOID:0000000010120648
1.
CHECK BATTERY TEMPERATURE SENSOR
1. Turn power switch OFF.
2. Disconnect battery current sensor harness connector.
3. Check the resistance between battery current sensor connector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace battery current sensor (with battery temperature sensor). Refer to
+
−
Continuity
Battery current sensor
VCM
Connector
Terminal
Connector
Terminal
E125
3
E62
107
Existed
+
−
Continuity
Battery current sensor
VCM
Connector
Terminal
Connector
Terminal
E125
2
E62
120
Existed
Battery current sensor
Condition
Resistance
+
−
Terminal
3
2
Temperature: 25
°C (77°F)
1.9 – 2.1 k
Ω
P1564 ASCD STEERING SWITCH
EVC-197
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
P1564 ASCD STEERING SWITCH
DTC Logic
INFOID:0000000010120649
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
• Turn power switch OFF and wait at least 90 seconds.
CAUTION:
During this period, never perform vehicle handling such as opening and closing of doors. If some
kind of vehicle handling is performed, then wait another 90 seconds or more from the time of the
vehicle handling.
• Make sure that 12V battery voltage is 11 V or more.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn power switch ON and wait at least 10 seconds.
2. Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.
3. Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 sec-
onds.
4. Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.
5. Press ECO mode switch for at least 10 seconds, then release it and wait at least 10 seconds.
6. Check self-diagnostic result.
Is DTC detected?
YES
>> Proceed to
EVC-197, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120650
1.
CHECK ASCD STEERING SWITCH CIRCUIT
With CONSULT
1. Turn power switch ON.
2. On the CONSULT screen, select “EV/HEV” >> “DATA MONITOR” >> “ASCD MAIN SW”, “ASCD CANCEL
SW”, “RESUME/ACC SW”, “ASCD SET SW”, and “ECO MODE”.
3. Check each item indication under the following conditions.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1564
ASCD SWITCH
(ASCD switch)
• An excessively high voltage signal from the ASCD
steering switch is sent to VCM.
• VCM detects that input signal from the ASCD
steering switch is out of the specified range.
• VCM detects that the ASCD steering switch is
stuck ON.
• Harness or connectors
(The switch circuit is open or
shorted.)
• ASCD steering switch
• VCM
Monitor item
Condition
Indication
ASCD MAIN SW
ASCD MAIN switch
Pressed
On
Released
Off
ASCD CANCEL
SW
CANCEL switch
Pressed
On
Released
Off
RESUME/ACC SW
RESUME/ACCELERATE
switch
Pressed
On
Released
Off
EVC-198
< DTC/CIRCUIT DIAGNOSIS >
P1564 ASCD STEERING SWITCH
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK ASCD STEERING SWITCH GROUND CIRCUIT
1. Turn power switch OFF.
2. Disconnect VCM harness connector.
3. Disconnect spiral cable harness connector.
4. Check the continuity between spiral cable harness connector and VCM harness connector.
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK ASCD STEERING SWITCH INPUT SIGNAL CIRCUIT
1. Check the continuity between spiral cable harness connector and VCM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK ASCD STEERING SWITCH
EVC-198, "Component Inspection (ASCD STEERING SWITCH)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> Replace ASCD steering switch. Refer to
Component Inspection (ASCD STEERING SWITCH)
INFOID:0000000010120651
1.
CHECK ASCD STEERING SWITCH
1. Turn power switch OFF.
2. Disconnect spiral cable harness connector.
3. Check resistance between spiral cable harness connector terminals under the following conditions.
ASCD SET SW
SET/COAST switch
Pressed
On
Released
Off
ECO MODE
Operate the ECO mode SW to put into
ECO mode.
On
Operate the ECO mode SW again to
cancel ECO mode.
Off
Monitor item
Condition
Indication
+
−
Continuity
Spiral cable
VCM
Connector
Terminal
Connector
Terminal
M33
32
E62
125
Existed
+
−
Continuity
Spiral cable
VCM
Connector
Terminal
Connector
Terminal
M33
25
E62
111
Existed
P1564 ASCD STEERING SWITCH
EVC-199
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace ASCD steering switch. Refer to
Combination switch
Condition
Resistance (
Ω)
Connector
Terminals
M33
25 and 32
ASCD main switch: Pressed
Approx. 0
CANCEL switch: Pressed
Approx. 309
SET/COAST switch: Pressed
Approx. 741
RESUME/ACCELERATE switch: Pressed Approx. 1,406
ECO mode switch: Pressed
Approx. 2,586
All ASCD steering switches: Released
Approx. 5,456
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