Nissan Pathfinder. Manual — part 888
PCS-28
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000009175197
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009175198
1.
REPLACE IPDM E/R
When DTC U1010 is detected, replace IPDM E/R.
>> Replace IPDM E/R. Refer to
PCS-32, "Removal and Installation"
CONSULT Display
DTC Detection Condition
Possible Cause
CAN COMM CIRCUIT
[U1010]
IPDM E/R detected internal CAN communication circuit
malfunction.
IPDM E/R
PCS
B2098 IGNITION RELAY ON STUCK
PCS-29
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2098 IGNITION RELAY ON STUCK
DTC Logic
INFOID:0000000009175200
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 B2098 displayed?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009175201
1.
PERFORM SELF DIAGNOSTIC RESULT
Perform Self Diagnostic Result of IPDM E/R using CONSULT.
Is display history of DTC B2098 CRNT?
YES
>> Replace IPDM E/R. Refer to
PCS-32, "Removal and Installation"
.
NO
>> Refer to
GI-49, "Intermittent Incident"
.
CONSULT Display
DTC Detection Condition
Possible Cause
IGN RELAY ON
[B2098]
The ignition relay ON is detected for 1 second at
ignition switch OFF
(CPU monitors the status at the contact and exci-
tation coil circuits of the ignition relay inside it)
IPDM E/R
PCS-30
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R]
B2099 IGNITION RELAY OFF STUCK
B2099 IGNITION RELAY OFF STUCK
DTC Logic
INFOID:0000000009175203
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:0000000009175204
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-32, "Removal and Installation"
NO
>> Refer to
GI-49, "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
POWER SUPPLY AND GROUND CIRCUIT
PCS-31
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000009175205
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. Disconnect IPDM E/R connectors E118 and E120.
2. Check voltage between IPDM E/R connectors and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
1. Disconnect IPDM E/R connectors E119 and E121.
2. Check continuity between IPDM E/R connectors and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
Terminal No.
Signal name
Fusible link No.
1
Fusible link main
E (80A)
2
Fusible link IPDM E/R
A (250A), C (80A)
3
Fusible link ignition switch
A (250A), B (100A), K (40A)
IPDM E/R
Ground
Voltage
(Approx.)
Connector
Terminal
E118
1
—
Battery voltage
2
E120
3
IPDM E/R
Ground
Continuity
Connector
Terminal
E121
7
—
Yes
E119
41
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