Infiniti EX35. Manual — part 798
EXL-236
< FUNCTION DIAGNOSIS >
[HALOGEN TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
CONSULT-III Function (IPDM E/R)
INFOID:0000000003757053
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC RESULT
DATA MONITOR
A/C compressor does not operate
Perform auto active test.
Does the magnet clutch oper-
ate?
YES
• Unified meter and A/C amp.
signal input circuit
• CAN communication signal
between unified meter and
A/C amp. and ECM
• CAN communication signal
between ECM and IPDM E/
R
NO
• Magnet clutch
• Harness or connector be-
tween IPDM E/R and mag-
net clutch
• IPDM E/R
Oil pressure warning lamp does not operate
Perform auto active test.
Does the oil pressure warning
lamp blink?
YES
• Harness or connector be-
tween IPDM E/R and oil
pressure switch
• Oil pressure switch
• IPDM E/R
NO
• CAN communication signal
between IPDM E/R and
BCM
• CAN communication signal
between BCM and unified
meter and A/C amp.
• Combination meter
Cooling fan does not operate
Perform auto active test.
Does the cooling fan operate?
YES
• ECM signal input circuit
• CAN communication signal
between ECM and IPDM E/
R
NO
• Cooling fan
• Harness or connector be-
tween cooling fan and cool-
ing fan control module
• Cooling fan control module
• Harness or connector be-
tween IPDM E/R and cool-
ing fan control module
• Cooling fan relay
• Harness or connector be-
tween IPDM E/R and cool-
ing fan relay
• IPDM E/R
Symptom
Inspection contents
Possible cause
Diagnosis mode
Description
Ecu Identification
Allows confirmation of IPDM E/R part number.
Self Diagnostic Result
Displays the diagnosis results judged by IPDM E/R.
Data Monitor
Displays the real-time input/output data from IPDM E/R input/output data.
Active Test
IPDM E/R can provide a drive signal to electronic components to check their operations.
CAN Diag Support Monitor
The results of transmit/receive diagnosis of CAN communication can be read.
DIAGNOSIS SYSTEM (IPDM E/R)
EXL-237
< FUNCTION DIAGNOSIS >
[HALOGEN TYPE]
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Monitor item
Monitor Item
[Unit]
MAIN SIG-
NALS
Description
RAD FAN REQ
[%]
×
Displays the value of the cooling fan speed signal received from ECM via CAN
communication.
AC COMP REQ
[Off/On]
×
Displays the status of the A/C compressor request signal received from ECM via
CAN communication.
TAIL&CLR REQ
[Off/On]
×
Displays the status of the position light request signal received from BCM via CAN
communication.
HL LO REQ
[Off/On]
×
Displays the status of the low beam request signal received from BCM via CAN
communication.
HL HI REQ
[Off/On]
×
Displays the status of the high beam request signal received from BCM via CAN
communication.
FR FOG REQ
[Off/On]
×
Displays the status of the front fog light request signal received from BCM via
CAN communication.
FR WIP REQ
[Stop/1LOW/Low/Hi]
×
Displays the status of the front wiper request signal received from BCM via CAN
communication.
WIP AUTO STOP
[STOP P/ACT P]
×
Displays the status of the front wiper auto stop signal judged by IPDM E/R.
WIP PROT
[Off/BLOCK]
×
Displays the status of the front wiper fail-safe operation judged by IPDM E/R.
IGN RLY1 -REQ
[Off/On]
Displays the status of the ignition switch ON signal received from BCM via CAN
communication.
IGN RLY
[Off/On]
×
Displays the status of the ignition relay judged by IPDM E/R.
PUSH SW
[Off/On]
Displays the status of the push-button ignition switch judged by IPDM E/R.
INTER/NP SW
[Off/On]
Displays the status of the shift position judged by IPDM E/R.
ST RLY CONT
[Off/On]
Displays the status of the starter relay status signal received from BCM via CAN
communication.
IHBT RLY -REQ
[Off/On]
Displays the status of the starter control relay signal received from BCM via CAN
communication.
ST/INHI RLY
[Off/ ST /INHI/UNKWN]
Displays the status of the starter relay and starter control relay judged by IPDM
E/R.
DETENT SW
[Off/On]
Displays the status of the control device (detention switch) judged by IPDM E/R.
S/L RLY -REQ
[Off/On]
Displays the status of the steering lock relay request received from BCM via CAN
communication.
S/L STATE
[LOCK/UNLOCK/UNKWN]
Displays the status of the steering lock judged by IPDM E/R.
DTRL REQ
[Off]
NOTE:
The item is indicated, but not monitored.
OIL P SW
[Open/Close]
Displays the status of the oil pressure switch judged by IPDM E/R.
HOOD SW
[Off/On]
Displays the status of the hood switch judged by IPDM E/R.
HL WASHER REQ
[Off]
NOTE:
The item is indicated, but not monitored.
THFT HRN REQ
[Off/On]
Displays the status of the theft warning horn request signal received from BCM
via CAN communication.
EXL-238
< FUNCTION DIAGNOSIS >
[HALOGEN TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
ACTIVE TEST
Test item
HORN CHIRP
[Off/On]
Displays the status of the horn reminder signal received from BCM via CAN com-
munication.
CRNRNG LMP REQ
[Off]
NOTE:
The item is indicated, but not monitored.
Monitor Item
[Unit]
MAIN SIG-
NALS
Description
Test item
Operation
Description
CORNERING LAMP
Off
NOTE:
The item is indicated, but cannot be tested.
LH
RH
HORN
On
Operates horn relay 1 and horn relay 2 for 20 ms.
FRONT WIPER
Off
OFF
Lo
Operates the front wiper relay.
Hi
Operates the front wiper relay and front wiper high relay.
MOTOR FAN
1
OFF
2
Outputs 50% pulse duty signal (PWM signal) to the cooling fan control module.
3
Outputs 80% pulse duty signal (PWM signal) to the cooling fan control module.
4
Outputs 100% pulse duty signal (PWM signal) to the cooling fan control module.
HEAD LAMP WASHER
On
NOTE:
The item is indicated, but cannot be tested.
EXTERNAL LAMPS
Off
OFF
TAIL
Operates the tail lamp relay.
Lo
Operates the headlamp low relay.
Hi
Operates the headlamp low relay and ON/OFF the headlamp high relay at 1 sec-
ond intervals.
Fog
Operates the front fog lamp relay.
POWER SUPPLY AND GROUND CIRCUIT
EXL-239
< COMPONENT DIAGNOSIS >
[HALOGEN TYPE]
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COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000003757056
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
agnosis Procedure
INFOID:0000000003757059
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Signal name
Fuse and fusible link No.
Battery power supply
K
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
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