Nissan Sentra. Manual — part 943
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< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (IPDM E/R) (WITHOUT INTELLIGENT KEY SYSTEM)
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
CONSULT Function (IPDM E/R)
INFOID:0000000010289266
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with IPDM E/R.
AWMIA1511GB
Symptom
Inspection contents
Possible cause
Any of the following components do not operate
• Parking lamp
• License plate lamp
• Tail lamp
• Front fog lamp (if equipped)
• Headlamp (HI, LO)
• Front wiper (HI, LO)
Perform auto active test.
Does the applicable system op-
erate?
YES
BCM signal input circuit
NO
• Lamp or motor
• Lamp or motor ground circuit
• Harness or connector between
IPDM E/R and applicable system
• IPDM E/R
A/C compressor does not operate
Perform auto active test.
Does the magnet clutch oper-
ate?
YES
• BCM signal input circuit
• CAN communication signal be-
tween BCM and ECM
• CAN communication signal be-
tween ECM and IPDM E/R
NO
• Magnet clutch
• Harness or connector between
IPDM E/R and magnet clutch
• IPDM E/R
Cooling fan does not operate
Perform auto active test.
Does the cooling fan operate?
YES
• ECM signal input circuit
• CAN communication signal be-
tween ECM and IPDM E/R
NO
• Cooling fan motor
• Harness or connector between
IPDM E/R and cooling fan motor
• IPDM E/R
Direct Diagnostic Mode
Description
Ecu Identification
The IPDM E/R part number is displayed.
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.
DIAGNOSIS SYSTEM (IPDM E/R) (WITHOUT INTELLIGENT KEY SYSTEM)
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< SYSTEM DESCRIPTION >
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ECU IDENTIFICATION
The IPDM E/R part number is displayed.
SELF DIAGNOSTIC RESULT
DATA MONITOR
ACTIVE TEST
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.
Direct Diagnostic Mode
Description
Monitor Item [Unit]
Main
Signals
Description
MOTOR FAN REQ [%]
×
Indicates cooling fan speed signal received from ECM on CAN communication
line
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
IGN RLY1 -REQ [On/Off]
Indicates ignition switch ON signal received from BCM on CAN communication
line
IGN RLY [On/Off]
×
Indicates condition of ignition relay
PUSH SW [On/Off]
Indicates condition of push-button ignition switch
INTER/NP SW [On/Off]
Indicates condition of CVT shift position
ST RLY CONT [On/Off]
Indicates starter relay status signal received from BCM on CAN communication
line
IHBT RLY -REQ [On/Off]
Indicates starter control relay signal received from BCM on CAN communication
line
ST/INHI RLY [Off/ ST /INHI]
Indicates condition of starter relay and starter control relay
DETENT SW [On/Off]
Indicates condition of CVT shift selector (park position 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
Test item
Description
HORN
This test is able to check horn operation [On].
REAR DEFOGGER
This test is able to check rear window defogger operation [On/Off].
FRONT WIPER
This test is able to check wiper motor operation [Hi/Lo/Off].
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< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (IPDM E/R) (WITHOUT INTELLIGENT KEY SYSTEM)
CAN DIAG SUPPORT MNTR
LAN-13, "CAN Diagnostic Support Monitor"
.
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].
Test item
Description
BCM, IPDM E/R
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< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM, IPDM E/R
List of ECU Reference
INFOID:0000000009756081
WITH INTELLIGENT KEY SYSTEM
WITHOUT INTELLIGENT KEY SYSTEM
ECU
Reference
BCM
BCS-48, "DTC Inspection Priority Chart"
IPDM E/R
ECU
Reference
BCM
BCS-108, "DTC Inspection Priority Chart"
IPDM E/R
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