Nissan Leaf. Instruction — part 531
EVC-148
< DTC/CIRCUIT DIAGNOSIS >
P0A0B HIGH VOLTAGE CONNECTOR INTERLOCK DETECT CIRCUIT
4. Check the voltage between PDM (Power Delivery Module) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 4.
4.
CHECK CONNECTION DETECTING CIRCUIT POWER SUPPLY CIRCUIT
1. Turn power switch OFF.
2. Disconnect VCM harness connector.
3. Check the harness for short to power, between PDM (Power Delivery Module) harness connector and
VCM harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
Inspection result normal?
YES
>> Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
NO
>> Repair or replace error-detected parts.
6.
CHECK CONNECTION DETECTING CIRCUIT SIGNAL CIRCUIT
1. Turn power switch OFF.
2. Disconnect VCM harness connector.
3. Check the harness for short to power, between PDM (Power Delivery Module) harness connector and
VCM harness connector.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace error-detected parts.
7.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
Inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace error-detected parts.
8.
REPLACE VCM
1. Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
2. Reconnect harness connector and parts disconnected.
3. Perform DTC Confirmation Procedure. Refer to
.
+
−
Voltage
PDM (Power Delivery Module)
Connector
Terminal
F23
12
Ground
3 – 7 V
+
−
Voltage
PDM (Power Delivery Module)
Connector
Terminal
F23
12
Ground
0 V
+
−
Voltage
PDM (Power Delivery Module)
Connector
Terminal
F23
15
Ground
0 V
P0A0B HIGH VOLTAGE CONNECTOR INTERLOCK DETECT CIRCUIT
EVC-149
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
Is DTC P0A0B detected again?
YES
>> Replace PDM (Power Delivery Module). Refer to
VC-112, "Removal and Installation"
NO
>> INSPECTION END
EVC-150
< DTC/CIRCUIT DIAGNOSIS >
P0A8D 12V BATTERY POWER SUPPLY
P0A8D 12V BATTERY POWER SUPPLY
DTC Logic
INFOID:0000000010120615
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. Set the vehicle to READY and wait at least 30 seconds.
2. Check self-diagnostic result.
Is DTC detected?
YES
>> Proceed to
EVC-150, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010120616
1.
CHECK SELF-DIAGNOSTIC RESULT IN PDM (POWER DELIVERY MODULE)
With CONSULT
Check self-diagnostic result in “CHARGER/PD MODULE”.
Is any DTC detected?
YES
>> Perform trouble diagnosis for detected DTC. Refer to
NO
>> GO TO 2.
2.
CHECK SELF-DIAGNOSTIC RESULT IN VCM
With CONSULT
Check self-diagnostic result in “EV/HEV”.
Is DTC (excluding P0A8D) related to DC/DC converter detected?
YES
>> Perform trouble diagnosis for detected DTC. Refer to
.
NO
>> GO TO 3.
3.
CHECK 12V BATTERY POWER SUPPLY
1. Turn power switch OFF.
2. Check the voltage between IPDM E/R harness connector and ground.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0A8D
14V POWER SUPPLY
(14 V power module system
voltage low)
VCM detects that a voltage of 12V battery power sup-
ply remains less than 10 V for 10 seconds during
READY state.
• Harness or connectors
(The sensor circuit is open or
shorted.)
• DC/DC converter
• IPDM E/R
P0A8D 12V BATTERY POWER SUPPLY
EVC-151
< 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
>> GO TO 6.
NO
>> GO TO 4.
4.
CHECK FUSE
1. Pull out #43 fuse.
2. Check the fuse is not fusing.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace the fuse after replacing the applicable circuit.
5.
CHECK IPDM E/R
1. Insert the fuse which pulled out.
2. Remove IPDM E/R. Refer to
PCS-29, "Removal and Installation"
.
3. Check the continuity between IPDM E/R connector terminals.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace IPDM E/R. Refer to
PCS-29, "Removal and Installation"
.
6.
CHECK 12V BATTERY POWER SUPPLY CIRCUIT
1. Disconnect VCM harness connector.
2. Check the continuity between IPDM E/R harness connector and VCM harness connector.
3. Also check harness for short to ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
+
−
Voltage
IPDM E/R
Connector
Terminal
E14
42
Ground
12V battery volt-
age
IPDM E/R
Continuity
+
−
Terminal
2
42
Existed
+
−
Continuity
IPDM E/R
VCM
Connector
Terminal
Connector
Terminal
E14
42
E61
11
Existed
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