Nissan Qashqai (2007-2010). Manual — part 1852
PCS-12
< FUNCTION DIAGNOSIS >
[IPDM E/R]
DIAGNOSIS SYSTEM (IPDM E/R)
ACTIVE TEST
Test item
Monitor Item
[Unit]
MAIN
SIGNALS
Description
MOTOR FAN REQ
[1 - 4]
×
Displays the value of the cooling fan speed signal received from ECM via CAN commu-
nication.
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 com-
munication.
HL LO REQ
[Off/On]
×
Displays the status of the low beam request signal received from BCM via CAN commu-
nication.
HL HI REQ
[Off/On]
×
Displays the status of the high beam request signal received from BCM via CAN com-
munication.
FR FOG REQ
[Off/On]
×
Displays the status of the front fog light request signal received from BCM via CAN com-
munication.
HL WASHER REQ
[Off/On]
Displays the status of the headlamp washer 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 com-
munication.
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.
ST RLY REQ
[Off/On]
Displays the status of the ignition and starter request signal received from BCM via CAN
communication.
IGN RLY
[Off/On]
×
Displays the status of the ignition relay judged by IPDM E/R.
RR DEF REQ
[Off/On]
×
Displays the status of the rear defogger request signal received from BCM via CAN com-
munication.
OIL P SW
[Open/Close]
Displays the status of the oil pressure switch judged by IPDM E/R.
REV SW
[Off/On]
Displays the status of the reverse switch judged by IPDM E/R.
HOOD SW
[Off/On]
Displays the status of the hood switch judged by IPDM E/R.
NOTE:
This item is monitored only the vehicle with the Vehicle Security (Theft Warning) system.
THFT HRN REQ
[Off/On]
Displays the status of the theft warning horn request signal received from BCM via CAN
communication.
NOTE:
This item is monitored only the vehicle with the Vehicle Security (Theft Warning) system.
HORN CHIRP
[Off/On]
NOTE:
This item is indicated, but not monitored.
IGN ON SW
[Off/On]
Displays the status of the ignition switch judged by IPDM E/R.
Test item
Operation
Description
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.
PCS
DIAGNOSIS SYSTEM (IPDM E/R)
PCS-13
< FUNCTION DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MOTOR FAN
1
OFF
2
Operates the cooling fan relay (low operation).
3
Operates the cooling fan relay (high operation).
4
HEAD LAMP WASHER
On
Operates the headlamp washer relay for 1 second.
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.
HORN
On
Operates horn relay for 20 ms.
Test item
Operation
Description
PCS-14
< COMPONENT DIAGNOSIS >
[IPDM E/R]
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000000926993
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H, CAN-L) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-59, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000000926994
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000926995
1.
PERFORM SELF DIAGNOSTIC
1.
Turn ignition switch ON and wait for 2 second or more.
2.
Check “Self Diagnostic Result”.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-46, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-39, "Intermittent Incident"
.
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When IPDM E/R cannot communicate CAN
communication signal continuously for 2 sec-
onds or more.
Any item (or items) of the following listed below is
malfunctioning in CAN communication system.
• Transmission
• Receiving (ECM)
• Receiving (BCM)
PCS
B2098 IGNITION RELAY ON STUCK
PCS-15
< COMPONENT DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2098 IGNITION RELAY ON STUCK
Description
INFOID:0000000000926996
The ignition relay integrated in IPDM E/R is operated with ignition switch ON signal from the ignition switch.
DTC Logic
INFOID:0000000000926997
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000926998
1.
PERFORM SELF DIAGNOSIS
1.
Turn the ignition switch ON.
2.
Select “Self Diagnostic Result” of “IPDM E/R”. Erase “SELF-DIAG RESULT”.
3.
Turn ignition switch OFF, and wait for 1 second or more.
4.
Turn the ignition switch ON. Check “SELF-DIAG RESULT” again.
Is “IGN RLY ON” displayed?
YES
>> Replace IPDM E/R.
NO
>> Refer to
GI-39, "Intermittent Incident"
.
DTC
CONSULT-III display
description
DTC Detection Condition
Possible causes
B2098
IGN RELAY ON
The ignition relay ON is detected for 1 second at ignition switch OFF
(CPU monitors the status at the contact and excitation coil circuits of
the ignition relay inside it)
Ignition relay
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