Infiniti EX35. Manual — part 748
EXL-36
< FUNCTION DIAGNOSIS >
[XENON TYPE]
DIAGNOSIS SYSTEM (BCM)
ACTIVE TEST
Monitor item
[Unit]
Description
REQ SW-DR
[On/Off]
The switch status input from the request switch (driver side)
REQ SW-AS
[On/Off]
The switch status input from the request switch (passenger side)
PUSH SW
[On/Off]
The switch status input from the push-button ignition switch
TURN SIGNAL R
[On/Off]
Each switch condition that BCM judges from the combination switch reading function
TURN SIGNAL L
[On/Off]
HAZARD SW
[On/Off]
The switch status input from the hazard switch
RKE-LOCK
[On/Off]
Lock signal status received from the remote keyless entry receiver
RKE-UNLOCK
[On/Off]
Unlock signal status received from the remote keyless entry receiver
RKE-PANIC
[On/Off]
Panic alarm signal status received from the remote keyless entry receiver
Test item
Operation
Description
FLASHER
RH
Outputs the voltage to blink the right side turn signal lamps.
LH
Outputs the voltage to blink the left side turn signal lamps.
Off
Stops the voltage to turn the turn signal lamps OFF.
DIAGNOSIS SYSTEM (IPDM E/R)
EXL-37
< FUNCTION DIAGNOSIS >
[XENON TYPE]
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DIAGNOSIS SYSTEM (IPDM E/R)
Diagnosis Description
INFOID:0000000003757032
AUTO ACTIVE TEST
Description
In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation.
• Oil pressure warning lamp
• Front wiper (LO, HI)
• Parking lamps
• License plate lamps
• Side maker lamps
• Tail lamps
• Front fog lamps
• Headlamps (LO, HI)
• A/C compressor (magnet clutch)
• Cooling fan (cooling fan control module)
Operation Procedure
1.
Close the hood and lift the wiper arms from the windshield. (Prevent windshield damage due to wiper
operation)
NOTE:
When auto active test is performed with hood opened, sprinkle water on windshield beforehand.
2.
Turn ignition switch OFF.
3.
Turn the ignition switch ON, and within 20 seconds, press the driver door switch 10 times. Then turn the
ignition switch OFF.
CAUTION:
Close passenger door.
4.
Turn the ignition switch ON within 10 seconds. After that the horn sounds once and the auto active test
starts.
5.
The oil pressure warning lamp starts blinking when the auto active test starts.
6.
After a series of the following operations is repeated 3 times, auto active test is completed.
NOTE:
When auto active test mode has to be cancelled halfway through test, turn ignition switch OFF.
CAUTION:
• If auto active test mode cannot be actuated, check door switch system. Refer to
.
• Do not start the engine.
Inspection in Auto Active Test Mode
When auto active test mode is actuated, the following 5 steps are repeated 3 times.
JPMIA0950ZZ
EXL-38
< FUNCTION DIAGNOSIS >
[XENON TYPE]
DIAGNOSIS SYSTEM (IPDM E/R)
*: Outputs duty ratio of 50% for 5 seconds
→
duty ratio of 100% for 5 seconds on the cooling fan control module.
Concept of auto active test
• IPDM E/R starts the auto active test with the door switch signals transmitted by BCM via CAN communica-
tion. Therefore, the CAN communication line between IPDM E/R and BCM is considered normal if the auto
active test starts successfully.
• The auto active test facilitates troubleshooting if any systems controlled by IPDM E/R cannot be operated.
Diagnosis chart in auto active test mode
Operation
sequence
Inspection location
Operation
A
Oil pressure warning lamp
Blinks continuously during operation of auto active test
1
Front wiper
LO for 5 seconds
→
HI for 5 seconds
2
• Parking lamps
• License plate lamps
• Side maker lamps
• Tail lamps
• Front fog lamps
10 seconds
3
Headlamps
• LO 10 seconds
• HI ON
⇔
OFF 5 times
4
A/C compressor (magnet clutch)
ON
⇔
OFF 5 times
5
*
Cooling fan
MID for 5 seconds
→
HI for 5 seconds
JPMIA0009GB
Symptom
Inspection contents
Possible cause
Any of the following components do not operate
• Parking lamps
• License plate lamps
• Side maker lamps
• Tail lamps
• Front fog lamps
• Headlamp (HI, LO)
• Front wiper
Perform auto active test.
Does the applicable system
operate?
YES
BCM signal input circuit
NO
• Lamp or motor
• Lamp or motor ground cir-
cuit
• Harness or connector be-
tween IPDM E/R and appli-
cable system
• IPDM E/R
DIAGNOSIS SYSTEM (IPDM E/R)
EXL-39
< FUNCTION DIAGNOSIS >
[XENON TYPE]
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CONSULT-III Function (IPDM E/R)
INFOID:0000000003757033
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.
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