Nissan Leaf. Instruction — part 986
PCS
B2099 IGNITION RELAY OFF STUCK
PCS-27
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2099 IGNITION RELAY OFF STUCK
DTC Logic
INFOID:0000000010120300
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION
1. Turn ignition switch ON.
2. Turn ignition switch OFF and wait 1 second or more.
3. Turn ignition switch ON.
4. Perform “Self Diagnostic Result” of “IPDM E/R” using CONSULT.
Is DTC B2099 displayed?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120301
1.
PERFORM SELF DIAGNOSTIC RESULT
Perform “Self Diagnostic Result” of “IPDM E/R” using CONSULT.
Is display history of DTC B2099 CRNT?
YES
>> Replace IPDM E/R. Refer to
PCS-29, "Removal and Installation"
.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
CONSULT Display
DTC Detection Condition
Possible Cause
IGN RELAY OFF
[B2099]
The ignition relay OFF is detected for 1 second at
ignition switch ON
(CPU monitors the status at the contact and exci-
tation coil circuits of the ignition relay inside it)
IPDM E/R
PCS-28
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010120302
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSIBLE LINKS
Check that the following fusible links are not blown.
Is the fusible link blown?
YES
>> Replace the blown fusible link after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn power switch OFF.
2. Disconnect IPDM E/R connector E9.
3. Check voltage between IPDM E/R connector E9 and the ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the harness or connectors.
3.
CHECK GROUND CIRCUIT
1. Disconnect IPDM E/R connectors E11 and E12.
2. Check continuity between IPDM E/R connectors and the ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace the harness or connectors.
Terminal No.
Signal name
Fuses and fusible link No.
1
Battery power supply
E (100 A)
2
A (250 A), C (100 A)
IPDM E/R
Ground
Voltage
(Approx.)
Connector
Terminal
E9
1
—
Battery voltage
2
IPDM E/R
Ground
Continuity
Connector
Terminal
E11
9
Yes
E12
18
PCS
IPDM E/R
PCS-29
< REMOVAL AND INSTALLATION >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
REMOVAL AND INSTALLATION
IPDM E/R
Exploded View
INFOID:0000000010120303
Removal and Installation
INFOID:0000000010120304
CAUTION:
To prevent damage to the parts, IPDM E/R integrated relays cannot be removed.
REMOVAL
1. Remove 12V battery. Refer to
PCS-4, "Precaution for Removing 12V Battery"
.
2. Press and expand pawls (A) on lateral side of IPDM E/R cover
and remove IPDM E/R (1) from IPDM E/R cover B (2).
3. Disconnect the harness connector and then remove the IPDM E/R.
4. Remove IPDM E/R cover B mounting nuts (A).
1.
IPDM E/R
2.
IPDM E/R cover A
3.
IPDM E/R cover B
JMMIA0598ZZ
JMMIA0599ZZ
JMMIA0600ZZ
PCS-30
< REMOVAL AND INSTALLATION >
[IPDM E/R]
IPDM E/R
5. Insert a remover tool (A) between IPDM E/R cover A (1) and
IPDM E/R cover B (2), disengage pawls, and remove IPDM E/R
cover A.
6. Remove IPDM E/R cover B.
INSTALLATION
Install in the reverse order of removal.
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