Nissan Titan A60. Instruction — part 1008
DIAGNOSIS SYSTEM (IPDM E/R)
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< SYSTEM DESCRIPTION >
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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
3
Tail, license, parking lamps and front fog lamps (if
equipped)
10 seconds
4
Headlamps
LO for 10 seconds
→ HI on-off for 5 seconds
5
A/C compressor (magnetic clutch)
ON
⇔ OFF 5 times
Operation
sequence
Inspection Location
Operation
*: If equipped
AWMIA1108GB
Symptom
Inspection contents
Possible cause
Oil pressure low/coolant temperature high warning
indicator does not operate
Perform auto active test.
Does the oil pressure low/
coolant temperature high
warning indicator operate?
YES
• IPDM E/R signal input circuit
• ECM signal input circuit
• CAN communication signal be-
tween ECM and combination meter
NO
CAN communication signal between
IPDM E/R, BCM and combination
meter
Oil pressure gauge does not operate
Perform auto active test.
Does the oil pressure gauge
operate?
YES
IPDM E/R signal input circuit
NO
CAN communication signal between
IPDM E/R, BCM and combination
meter
Rear window defogger does not operate
Perform auto active test.
Does the rear window defog-
ger operate?
YES
BCM signal input circuit
NO
CAN communication signal between
BCM and IPDM E/R
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< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (IPDM E/R)
CONSULT - III Function (IPDM E/R)
INFOID:0000000006627257
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC RESULT
DATA MONITOR
Any of the following components do not operate
• Front wipers
• Tail lamps
• License plate lamps
• Parking lamps
• Front fog lamps
• Headlamps (HI, LO)
Perform auto active test.
Does the applicable system
operate?
YES
BCM signal input system
NO
• Lamp or front wiper motor malfunc-
tion
• Lamp or front wiper motor ground
circuit
• Harness or connector between
IPDM E/R and applicable system
• IPDM E/R (integrated relay malfunc-
tion)
A/C compressor does not operate
Perform auto active test.
Does the A/C compressor op-
erate?
YES
• BCM signal input circuit
• CAN communication signal be-
tween BCM and ECM
• CAN communication signal be-
tween ECM and IPDM E/R
NO
• Magnetic clutch malfunction
• Harness or connector between
IPDM E/R and magnetic clutch
• IPDM E/R (integrated relay malfunc-
tion)
Symptom
Inspection contents
Possible cause
Direct Diagnostic Mode
Description
Self Diagnostic Result
The IPDM E/R self diagnostic results are displayed.
Data Monitor
The IPDM E/R input/output data is displayed in real time.
Active Test
The IPDM E/R activates outputs to test components.
CAN Diag Support Mntr
The result of transmit/receive diagnosis of CAN communication is displayed.
Monitor Item [Unit]
Main
Signals
Description
AC COMP REQ [On/Off]
×
Indicates A/C compressor request signal received from ECM on CAN commu-
nication line
TAIL&CLR REQ [On/Off]
×
Indicates position light request signal received from BCM on CAN communica-
tion line
HL LO REQ [On/Off]
×
Indicates low beam request signal received from BCM on CAN communication
line
HL HI REQ [On/Off]
×
Indicates high beam request signal received from BCM on CAN communication
line
FR FOG REQ [On/Off]
×
Indicates front fog light request signal received from BCM on CAN communica-
tion line
FR WIP REQ [Stop/1LOW/Low/Hi]
×
Indicates front wiper request signal received from BCM on CAN communication
line
WIP AUTO STOP [STOP P/ACT P]
×
Indicates condition of front wiper auto stop signal
WIP PROT [Off/BLOCK]
×
Indicates condition of front wiper fail-safe operation
ST RLY REQ [On/Off]
Indicates starter request signal received from ECM on CAN communication line
IGN RLY [On/Off]
×
Indicates condition of ignition relay
DIAGNOSIS SYSTEM (IPDM E/R)
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< SYSTEM DESCRIPTION >
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ACTIVE TEST
RR DEF REQ [On/Off]
×
Indicates rear defogger request signal received from AV control unit on CAN
communication line
OIL P SW [Open/Close]
Indicates condition of oil pressure switch
DTRL REQ [Off]
Indicates daytime light request signal received from BCM on CAN communica-
tion line
THFT HRN REQ [On/Off]
Indicates theft warning horn request signal received from BCM on CAN commu-
nication line
HORN CHIRP [On/Off]
Indicates horn reminder signal received from BCM on CAN communication line
Monitor Item [Unit]
Main
Signals
Description
Test item
Description
REAR DEFOGGER
This test is able to check rear defogger operation [On/Off].
FRONT WIPER
This test is able to check wiper motor operation [Hi/Lo/Off].
MOTOR FAN
This test is able to check cooling fan operation [4/3/2/1].
EXTERNAL LAMPS
This test is able to check external lamp operation [Fog/Hi/Lo/TAIL/Off].
HORN
This test is able to check horn operation [On].
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< DTC/CIRCUIT DIAGNOSIS >
WIPER AND WASHER FUSE
DTC/CIRCUIT DIAGNOSIS
WIPER AND WASHER FUSE
Description
INFOID:0000000006164525
Fuse list
Diagnosis Procedure
INFOID:0000000006164526
1.
CHECK FUSES
Check that the following fuses are not blown.
Is the fuse blown?
YES
>> Replace the fuse after repairing the affected circuit.
NO
>> The fuse is normal.
Unit
Location
Fuse No.
Capacity
Front wiper motor
IPDM E/R
39
30 A
Front washer motor
Fuse block (J/B)
9
10 A
Unit
Location
Fuse No.
Capacity
Front wiper motor
IPDM E/R
39
30 A
Front washer motor
Fuse block (J/B)
9
10 A
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