Nissan March K13. Manual — part 300
EXL-26
< 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 mode
JMMIA0355GB
Symptom
Inspection contents
Possible cause
Any of the following components do not operate
• Parking lamps
• License plate lamps
• Tail lamps
• Headlamps (HI, LO)
• Front wiper (HI, LO)
Perform auto active test.
Does the applicable system
operate?
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
Oil pressure warning lamp does not operate
Perform auto active test.
Does the oil pressure warning
lamp blink?
YES
• Harness or connector between
IPDM E/R and oil pressure
switch
• Oil pressure switch
• IPDM E/R
NO
• CAN communication signal be-
tween IPDM E/R and BCM
• CAN communication signal be-
tween BCM and combination
meter
• Combination meter
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
DIAGNOSIS SYSTEM (IPDM E/R) (WITHOUT INTELLIGENT KEY SYSTEM)
EXL-27
< SYSTEM DESCRIPTION >
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CONSULT-III Function (IPDM E/R)
INFOID:0000000006046541
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC RESULT
DATA MONITOR
Monitor item
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.
Monitor Item
[Unit]
MAIN SIG-
NALS
Description
MOTOR FAN REQ
[1/2/3/4]
×
Displays the value of the cooling fan speed request 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]
×
NOTE:
This item is indicated, but not monitored.
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 stop position 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 RLY
[Off/On]
×
Displays the status of the ignition relay judged by IPDM E/R.
INTER/NP SW
[Off/On]
Displays the status of the shift position judged by IPDM E/R.
ST RLY REQ
[Off/On]
Displays the status of the starter control relay signal received from BCM via CAN
communication.
DTRL REQ
[Off/On]
NOTE:
This 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]
NOTE:
This item is indicated, but not monitored.
HL WASHER REQ
[Off/On]
NOTE:
This 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-28
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (IPDM E/R) (WITHOUT INTELLIGENT KEY SYSTEM)
ACTIVE TEST
Test item
HORN CHIRP
[Off/On]
NOTE:
This item is indicated, but not monitored.
CRNRNG LMP REQ
[Off/On]
NOTE:
This item is indicated, but not monitored.
Monitor Item
[Unit]
MAIN SIG-
NALS
Description
Test item
Operation
Description
CORNERING LAMP
LH
NOTE:
This item is indicated, but cannot be tested.
RH
HORN
On
Operates horn relay 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
Operates the cooling fan relay (LO operation).
3
Operates the cooling fan relay (MID operation).
4
Operates the cooling fan relay (HI operation).
HEAD LAMP WASHER
Off
NOTE:
This 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
NOTE:
This item is indicated, but cannot be tested.
BCM, IPDM E/R
EXL-29
< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM, IPDM E/R
List of ECU Reference
INFOID:0000000005912390
WITH INTELLIGENT KEY
WITHOUT INTELLIGENT KEY
ECU
Reference
BCM
BCS-39, "DTC Inspection Priority Chart"
IPDM E/R
ECU
Reference
BCM
BCS-85, "DTC Inspection Priority Chart"
IPDM E/R
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