DIAGNOSIS SYSTEM (IPDM E/R)
EXL-31
< FUNCTION DIAGNOSIS >
[XENON TYPE]
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CONSULT - III Function (IPDM E/R) INFOID:0000000004269414
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC
Refer to EXL-323, "DTC Index".
DATA MONITOR
Monitor item
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 combi-
nation 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
between ECM and IPDM E/
R
NO
? Cooling fan
? Harness or connector be-
tween cooling fan and cool-
ing fan relays
? Cooling fan relays
? Harness or connector be-
tween IPDM E/R and cool-
ing fan relays
? 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.
Monitor Item
[Unit]
MAIN SIG-
NALS
Description
MOTOR FAN REQ
[1,2,3,4]
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.
Revision: October 2008
2009 Maxima