Infiniti QX56 (Z62). Manual — part 964
PCS-12
< SYSTEM DESCRIPTION >
[IPDM E/R]
DIAGNOSIS SYSTEM (IPDM E/R)
CONSULT-III Function (IPDM E/R)
INFOID:0000000006220171
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC RESULT
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
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
RAD 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]
×
Displays the status of the front fog light request signal received from BCM via
CAN communication.
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 auto stop 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 RLY1 -REQ
[Off/On]
Displays the status of the ignition switch ON signal received from BCM via CAN
communication.
IGN RLY
[Off/On]
×
Displays the status of the ignition relay judged by IPDM E/R.
PCS
DIAGNOSIS SYSTEM (IPDM E/R)
PCS-13
< SYSTEM DESCRIPTION >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ACTIVE TEST
Test item
PUSH SW
[Off/On]
Displays the status of the push-button ignition switch judged by IPDM E/R.
INTER/NP SW
[Off/On]
Displays the status of the shift position judged by IPDM E/R.
ST RLY CONT
[Off/On]
Displays the status of the starter relay status signal received from BCM via CAN
communication.
IHBT RLY -REQ
[Off/On]
Displays the status of the starter control relay signal received from BCM via CAN
communication.
ST/INHI RLY
[Off/ ST ON/INHI ON/UNKWN]
Displays the status of the starter relay and starter control relay judged by IPDM
E/R.
DETENT SW
[Off/On]
Displays the status of the A/T shift selector (detention switch) judged by IPDM E/
R.
S/L RLY -REQ
[Off/On]
Displays the status of the steering lock relay signal received from BCM via CAN
communication.
S/L STATE
[LOCK/UNLK/UNKWN]
Displays the status of the steering lock judged by IPDM E/R.
OIL P SW
[Open/Close]
Displays the status of the oil pressure switch judged by IPDM E/R.
HOOD SW
[Off/On]
Displays the status of the hood switch judged by IPDM E/R.
HL WASHER REQ
[Off/On]
Displays the status of the headlamp washer request signal received from BCM via
CAN communication.
THFT HRN REQ
[Off/On]
Displays the status of the theft warning horn request signal received from BCM
via CAN communication.
HORN CHIRP
[Off/On]
Displays the status of the horn reminder signal received from BCM via CAN com-
munication.
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.
REAR DEFOGGER
Off
OFF
On
Operates the rear window defogger relay.
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
Transmits 50% pulse duty signal (PWM signal) to the cooling fan control module.
3
Transmits 75% pulse duty signal (PWM signal) to the cooling fan control module.
4
Transmits 100% pulse duty signal (PWM signal) to the cooling fan control mod-
ule.
HEAD LAMP WASHER
On
Operates the headlamp washer relay for 1 second.
PCS-14
< SYSTEM DESCRIPTION >
[IPDM E/R]
DIAGNOSIS SYSTEM (IPDM E/R)
*: Operates while the engine is running.
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
Operates the front fog lamp relay.
Test item
Operation
Description
PCS
IPDM E/R
PCS-15
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ECU DIAGNOSIS INFORMATION
IPDM E/R
Reference Value
INFOID:0000000006220172
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
RAD FAN REQ
Engine idle speed
Changes depending on engine
coolant temperature, air condition-
er operation status, vehicle speed,
etc.
0 – 100 %
AC COMP REQ
Engine running
A/C switch OFF
Off
A/C switch ON
(Compressor is operating)
On
TAIL&CLR REQ
Lighting switch OFF
Off
Lighting switch 1ST, 2ND or AUTO (Light is illuminated)
On
HL LO REQ
Lighting switch OFF
Off
Lighting switch 2ND or AUTO (Light is illuminated)
On
HL HI REQ
Lighting switch 2ND or
AUTO (Light is illuminated)
Lighting switch other than HI and
PASS
Off
Lighting switch HI or PASS
On
FR FOG REQ
Lighting switch 2ND or
AUTO (Light is illuminated)
Front fog lamp switch OFF
Off
Front fog lamp switch ON
On
FR WIP REQ
Ignition switch ON
Front wiper switch OFF
Stop
Front wiper switch INT
1LOW
Front wiper switch LO
Low
Front wiper switch HI
Hi
WIP AUTO STOP
Ignition switch ON
Front wiper stop position
STOP P
Any position other than front wiper
stop position
ACT P
WIP PROT
Ignition switch ON
Front wiper operates normally.
Off
Front wiper stops at fail-safe opera-
tion.
BLOCK
IGN RLY1 -REQ
Ignition switch OFF or ACC
Off
Ignition switch ON
On
IGN RLY
Ignition switch OFF or ACC
Off
Ignition switch ON
On
PUSH SW
Release the push-button ignition switch
Off
Press the push-button ignition switch
On
INTER/NP SW
Ignition switch ON
Selector lever in any position other
than P or N
Off
Selector lever in P or N position
On
ST RLY CONT
Ignition switch ON
Off
At engine cranking
On
IHBT RLY -REQ
Ignition switch ON
Off
At engine cranking
On
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