Nissan Murano. Instruction — part 733
EXL-344
< ECU DIAGNOSIS INFORMATION >
[HALOGEN TYPE]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
If No CAN Communication Is Available With BCM
IGNITION RELAY MALFUNCTION DETECTION FUNCTION
• IPDM E/R monitors the voltage at the contact circuit and excitation coil circuit of the ignition relay inside it.
• IPDM E/R judges the ignition relay error if the voltage differs between the contact circuit and the excitation
coil circuit.
• If the ignition relay cannot turn OFF due to contact seizure, it activates the tail lamp relay for 10 minutes to
alert the user to the ignition relay malfunction when the ignition switch is turned OFF.
FRONT WIPER CONTROL
IPDM E/R detects front wiper stop position by a front wiper auto stop signal.
When a front wiper stop position signal is in the conditions listed below, IPDM E/R stops power supply to wiper
after repeating a front wiper 10 seconds activation and 20 seconds stop five times.
Control part
Fail-safe operation
Cooling fan
• Turns ON the cooling fan relay-2 and the cooling fan relay-3 when ignition switch is
turned ON (Cooling fan operates at HI)
• Turns OFF the cooling fan relay-1, the cooling fan relay-2 and the cooling fan relay-3
when the ignition switch is turned OFF (Cooling fan does not operate)
A/C compressor
A/C relay OFF
Alternator
Outputs the power generation command signal (PWM signal) 0%
Control part
Fail-safe operation
Headlamp
• Turns ON the headlamp low relay when the ignition switch is turned ON
• Turns OFF the headlamp low relay when the ignition switch is turned OFF
• Headlamp high relay OFF
• Parking lamps
• License plate lamps
• Side maker lamps
• Illuminations
• Tail lamps
• Turns ON the tail lamp relay when the ignition switch is turned ON
• Turns OFF the tail lamp relay when the ignition switch is turned OFF
Front wiper
• The status just before activation of fail-safe control is maintained until the ignition
switch is turned OFF while the front wiper is operating at LO or HI speed.
• The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-
safe control is activated while the front wiper is set in the INT/AUTO mode and the
front wiper motor is operating.
Front fog lamps
Front fog lamp relay OFF
Horn
Horn OFF
Ignition relay
The status just before activation of fail-safe is maintained.
Starter motor
Starter control relay OFF
Voltage judgment
IPDM E/R judgment
Operation
Ignition relay contact side
Ignition relay excitation coil
side
ON
ON
Ignition relay ON normal
—
OFF
OFF
Ignition relay OFF normal
—
ON
OFF
Ignition relay ON stuck
• Detects DTC “B2098: IGN RELAY ON”
• Turns ON the tail lamp relay for 10 min-
utes
OFF
ON
Ignition relay OFF stuck
Detects DTC “B2099: IGN RELAY OFF”
Ignition switch
Front wiper switch
Front wiper stop position signal
ON
OFF
The front wiper stop position signal (stop
position) cannot be input for 10 seconds.
ON
The front wiper auto stop signal does not
change for 10 seconds.
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
EXL-345
< ECU DIAGNOSIS INFORMATION >
[HALOGEN TYPE]
C
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A
B
EXL
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NOTE:
This operation status can be confirmed on the IPDM E/R “Data Monitor” that displays “BLOCK” for the item
“WIP PROT” while the wiper is stopped.
STARTER MOTOR PROTECTION FUNCTION
IPDM E/R turns OFF the starter control relay to protect the starter motor when the starter control relay remains
active for 90 seconds.
DTC Index
INFOID:0000000010092662
NOTE:
• The details of time display are as follows.
- CRNT: A malfunction is detected now.
- PAST: A malfunction was detected in the past.
• IGN counter is displayed on FFD (Freeze Frame data).
- The number is 0 when is detected now.
- The number increases like 1
→
2 ··· 38
→
39 after returning to the normal condition whenever IGN OFF
→
ON.
- The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.
×
: Applicable
CONSULT display
Fail-safe
Refer to
No DTC is detected.
further testing
may be required.
—
—
U1000: CAN COMM CIRCUIT
×
B2098: IGN RELAY ON CIRC
×
B2099: IGN RELAY OFF CIRC
—
B210B: STR CONT RLY ON CIRC
—
B210C: STR CONT RLY OFF CIRC
—
B210D: STARTER RLY ON CIRC
—
B210E: STARTER RLY OFF CIRC
—
B210F: INTRLCK/PNP SW ON
—
B2110: INTRLCK/PNP SW OFF
—
EXL-346
< SYMPTOM DIAGNOSIS >
[HALOGEN TYPE]
EXTERIOR LIGHTING SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
EXTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000009723073
CAUTION:
Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagno-
sis if any DTC is detected.
Symptom
Possible cause
Inspection item
Headlamp (HI) is not
turned ON.
One side
• Fuse
• Halogen bulb (HI)
• Harness between IPDM E/R
and the headlamp high
• IPDM E/R
Headlamp (HI) circuit
Refer to
Both sides
Symptom diagnosis
“BOTH SIDE HEADLAMPS (HI) ARE NOT TURNED ON”
Refer to
Headlamp (HI) is not
turned OFF.
When ignition switch is
turned ON.
When ignition switch is
turned OFF.
IPDM E/R
—
High beam indicator lamp is not turned ON.
[The headlamp (HI) is turned ON.]
Combination meter
• Combination meter
Data monitor “HI-BEAM IND”
• BCM (HEAD LAMP)
Active test “HEADLAMP”
Headlamp (LO) is not
turned ON.
One side
• Fuse
• Halogen bulb (LO)
• Harness between IPDM E/R
and the headlamp low
• IPDM E/R
Headlamp (LO) circuit
Refer to
Both sides
Symptom diagnosis
“BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON”
Refer to
Headlamp (LO) is not
turned OFF.
When ignition switch is
turned ON.
When ignition switch is
turned OFF.
IPDM E/R
—
Headlamp is not turned ON/OFF with the lighting
switch AUTO.
• Combination switch
• Harness between the combina-
tion switch and BCM
• BCM
Combination switch
Refer to
• Optical sensor
• Harness between the optical
sensor and BCM
• BCM
Optical sensor
Refer to
Front fog lamp is not
turned ON.
One side
• Front fog lamp bulb
• Harness between IPDM E/R
and the front fog lamp
• Front fog lamp
• IPDM E/R
Front fog lamp circuit
Refer to
Both sides
Symptom diagnosis
“BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON”
Refer to
Front fog lamp is not turned ON.
Parking lamp is not turned ON.
• Parking lamp bulb
• Harness between IPDM E/R
and the front combination lamp
• Front combination lamp
• IPDM E/R
Parking lamp circuit
Refer to
EXTERIOR LIGHTING SYSTEM SYMPTOMS
EXL-347
< SYMPTOM DIAGNOSIS >
[HALOGEN TYPE]
C
D
E
F
G
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Front side marker lamp is not turned ON.
• Front side marker lamp bulb
• Harness between IPDM E/R
and the front side marker lamp
• IPDM E/R
Front side marker lamp circuit
Refer to
.
Parking lamp and front side marker lamp are not
turned ON.
• Fuse
• Harness between IPDM E/R
and the front combination lamp
• IPDM E/R
Parking lamp circuit
Refer to
.
Tail lamp is not turned ON.
• Harness between IPDM E/R
and the rear combination lamp
• Rear combination lamp
Tail lamp circuit
Refer to
.
License plate lamp is not turned ON.
• License plate lamp bulb
• Harness between IPDM E/R
and the license plate lamp
• License plate lamp
License plate lamp circuit
Refer to
.
Tail lamp and the license plate lamp are not turned
ON.
• Fuse
• Harness between IPDM E/R
and the rear combination lamp
• IPDM E/R
License plate lamp circuit
Refer to
.
• Parking lamp, tail lamp, side marker lamp and li-
cense plate lamp are not turned ON.
• Parking lamp, tail lamp, side marker lamp and li-
cense plate lamp are not turned OFF.
(Each illumination is turned ON/OFF.)
Symptom diagnosis
“PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED
ON”
Refer to
Tail lamp indicator is not turned ON.
(Parking, tail lamps are turned ON.)
Combination meter
• Combination meter
Data monitor “LIGHT IND”
• BCM (HEAD LAMP)
Active test “TAIL LAMP”
Turn signal lamp does not
blink.
Indicator lamp is nor-
mal.
(Applicable side per-
forms the high flasher
activation.)
• Harness between BCM and
each turn signal lamp
• Turn signal lamp bulb
Turn signal circuit
Refer to
.
Indicator lamp is includ-
ed.
• Combination switch
• Harness between the combina-
tion switch and BCM
• BCM
Combination switch
Refer to
.
Turn signal indicator lamp
does not blink.
(Turn signal indicator
lamp is normal.)
One side
Combination meter
—
Both sides
(Always)
• Turn indicator signal
- BCM
• Combination meter
• Combination meter
Data monitor “TURN IND”
• BCM (FLASHER)
Active test “FLASHER”
Both sides
(Only when activating
hazard warning lamp
with the ignition switch
OFF)
• Combination meter power sup-
ply and the ground circuit
• Combination meter
Combination meter
Power supply and the ground circuit
Refer to
.
• Hazard warning lamp does not activate.
• Hazard warning lamp continues activating.
(Turn signal is normal.)
• Hazard switch
• Harness between the hazard
switch and BCM
• BCM
Hazard switch
Refer to
.
Symptom
Possible cause
Inspection item
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