Nissan Quest E52. Instruction — part 929
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
CONSULT Function (IPDM E/R)
INFOID:0000000009652853
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC RESULT
DATA MONITOR
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
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 between cooling
fan and cooling fan relay
• Harness or connector between IPDM E/
R and cooling fan relay
• Cooling fan relay
• 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 com-
munication.
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 com-
munication.
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 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 RLY1 -REQ
[Off/On]
Displays the status of the ignition switch ON signal received from BCM via CAN com-
munication.
IGN RLY
[Off/On]
×
Displays the status of the ignition relay judged by IPDM E/R.
PCS-14
< SYSTEM DESCRIPTION >
[IPDM E/R]
DIAGNOSIS SYSTEM (IPDM E/R)
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 /INHI/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 CVT shift selector (detention switch) judged by IPDM E/R.
S/L RLY -REQ
[Off/On]
NOTE:
The item is indicated, but not monitored.
S/L STATE
[LOCK/UNLK/UNKWN]
NOTE:
The item is indicated, but not monitored.
DTRL REQ
[Off/On]
Displays the status of the daytime running light request signal received from BCM via
CAN communication.
NOTE:
This item is monitored only on the vehicle with daytime running light system.
OIL P SW
[Open/Close]
Displays the status of the oil pressure switch judged by IPDM E/R.
HOOD SW
[Off/On]
NOTE:
The item is indicated, but not monitored.
HL WASHER REQ
[Off/On]
NOTE:
The 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.
HORN CHIRP
[Off/On]
Displays the status of the horn reminder signal received from BCM via CAN commu-
nication.
CRNRNG LMP REQ
[Off/On]
NOTE:
The item is indicated, but not monitored.
Monitor Item
[Unit]
MAIN SIG-
NALS
Description
Test item
Operation
Description
CORNERING LAMP
Off
NOTE:
The item is indicated, but cannot be tested.
LH
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-1.
3
Operates the cooling fan relay-2.
4
Operates the cooling fan relay-2 and cooling fan relay-3.
HEAD LAMP WASHER
On
NOTE:
The item is indicated, but cannot be tested.
PCS
DIAGNOSIS SYSTEM (IPDM E/R)
PCS-15
< SYSTEM DESCRIPTION >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
EXTERNAL LAMPS
Off
OFF
TAIL
Operates the tail lamp relay and the daytime running light 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-16
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
IPDM E/R
ECU DIAGNOSIS INFORMATION
IPDM E/R
Reference Value
INFOID:0000000009652854
VALUES ON THE DIAGNOSIS TOOL
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
Monitor Item
Condition
Value/Status
MOTOR FAN REQ
Engine idle speed
Changes depending on engine coolant
temperature, air conditioner operation
status, vehicle speed, etc.
1/2/3/4
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
Lighting switch HI or PASS
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 operation
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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