Nissan X-Trail 32. Instruction — part 1666
PCS-34
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
IPDM E/R
*1
: With MR20 engine models
*2
: With Intelligent Key models
*3
: With LED headlamp
*4
: With QR25 engine models
*5
: With CVT models
*6
: With M/T models
*7
: With R9M engine models
*8
: Except for R9M engine models
*9
: Except for MR20 engine models
*10
: Without Intelligent Key system
*11
: With headlamp aiming control system (AUTO)
*12
: With 3-rows seat models
*13
: With stop/start system
Fail-safe
INFOID:0000000010741709
FAIL-SAFE CONTROL BY DTC
IPDM E/R performs fail-safe control when any DTC are detected.
101
(V)
Ground
G sensor
Output
Ignition
switch
ON
Vehicle stopped: plain land
4 – 6 V
102
*1
(Y)
Ground
Atmospheric pres-
sure sensor power
supply
Output
Ignition switch ON
4 – 6 V
105
*7
(W)
Ground
Oil pressure switch
Input
Ignition
switch
ON
Engine running
9 – 16 V
Engine stopped
0 – 1 V
106
(BR)
Ground
Cooling fan relay-5
Output
Cooling
fan
• Stop
• LO operation
9 – 16 V
HI operation
0 – 1 V
107
*8
(V)
Ground
Cooling fan relay-4
Output
Cooling
fan
• Stop
• LO operation
9 – 16 V
HI operation
0 – 1 V
110
(SB)
Ground
Battery current sensor
Input
Engine running
• Battery temperature: 25
°
C
• Idling
3.3 V
Terminal No.
(Wire color)
Description
Condition
Value
Signal name
Input/
Output
+
–
DTC
CONSULT display description
Fail-safe
B121D
S/L LOCK PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply until the vehicle switches to
sleep status.
B121A
FR FOG LAMP LH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the front fog lamp LH power
supply circuit until the front fog lamp ON conditions are no
longer satisfied.
B1231
DTRL RH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the daytime running light RH
power supply circuit until the daytime running light ON
conditions are no longer satisfied.
B1256
FR FOG LAMP RH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the front fog lamp RH power
supply circuit until the front fog lamp ON conditions are no
longer satisfied.
PCS
IPDM E/R
PCS-35
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B1C00
HEIGHT SENSOR PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Right and left headlamp aiming motors stop at the posi-
tion when DTC is detected.
[CIRC
SHORT TO
BATTERY]
B1C01
FR HEIGHT SENSOR SIGNAL
[CIRC
SHORT TO
BATTERY]
Right and left headlamp aiming motors stop at the posi-
tion when DTC is detected.
[CIRC
SHORT TO
GROUND
OR OPEN]
[CIRC
VOLTAGE
OUT OF
RANGE]
B1C02
RR HEIGHT SENSOR SIGNAL
[CIRC
SHORT TO
BATTERY]
Right and left headlamp aiming motors stop at the posi-
tion when DTC is detected.
[CIRC
SHORT TO
GROUND
OR OPEN]
[CIRC
VOLTAGE
OUT OF
RANGE]
B1C07
AIMING MOTOR DRIVE SIGNAL
[CIRC
SHORT TO
GRND]
Right and left headlamp aiming motors stop at the posi-
tion when DTC is detected.
[CIRC
SHORT TO
BATTERY]
[SIGNAL
COMPARE
FAILURE]
B1C11
FR HEIGHT SENSOR SIGNAL
[SIG
PRTCTN
CLCLTN IN-
CRCT]
Right and left headlamp aiming motors stop at the posi-
tion when DTC is detected.
B1C12
RR HEIGHT SENSOR SIGNAL
[SIG
PRTCTN
CLCLTN IN-
CRCT]
Right and left headlamp aiming motors stop at the posi-
tion when DTC is detected.
B20CB
DTRL LH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the daytime running light LH
power supply circuit until the daytime running light ON
conditions are no longer satisfied.
DTC
CONSULT display description
Fail-safe
PCS-36
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
IPDM E/R
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN
communication recovers normally, it also returns to normal control.
If No CAN Communication Is Available With ECM
B20BD
BATTERY CURRENT SENSOR
[CIRC
SHORT TO
GRND]
Inhibit stop/start system operation
[CIRC
SHORT TO
BATTERY]
[CIRC
OPEN]
[CMPNENT
INTERNAL
MLFNCTN]
B20CE
HL (HI) LH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the headlamp (HI) LH power
supply circuit until the headlamp (HI) ON conditions are
no longer satisfied.
B20CF
HL (HI) RH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the headlamp (HI) RH pow-
er supply circuit until the headlamp (HI) ON conditions are
no longer satisfied.
B20D0
HL (LO) LH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the headlamp (LO) LH pow-
er supply circuit until the headlamp (LO) ON conditions
are no longer satisfied.
B20D1
HL (LO) RH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the headlamp (LO) RH pow-
er supply circuit until the headlamp (LO) ON conditions
are no longer satisfied.
B20D2
PARKING LAMP PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the parking lamp (LH/RH)
power supply circuit until the parking lamp, license plate
lamp, and tail lamp ON conditions are no longer satisfied.
B20D4
TAIL LAMP LH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the following power supply
circuits until the parking lamp, license plate lamp, and tail
lamp ON conditions are no longer satisfied.
• Tail lamp LH (body side)
• Tail lamp LH (back door side)
• License plate lamp LH
• License plate lamp RH
B20D5
TAIL LAMP RH PWR SPLY CIRC
[CIRC
SHORT TO
GRND]
Shuts off the power supply to the following power supply
circuits until the parking lamp, license plate lamp, and tail
lamp ON conditions are no longer satisfied.
• Tail lamp RH (body side)
• Tail lamp RH (back door side)
B20DB
HEIGHT SENS INITIALIZE NOT DONE
[MISSING
CALIBRA-
TION]
Right and left headlamp aiming motors fix at the initial
aiming position.
[NOT CON-
FIURED]
B20E2
LED HEADLAMP RH
[CMPNENT
INTERNAL
MLFNCTN]
Transmits the headlamp warning signal (CAN communi-
cation) to the combination meter when the headlamp (LO)
ON conditions are satisfied. (When the ignition switch
turns ON, the headlamp warning is displayed on the infor-
mation display of the combination meter.)
B20E3
LED HEADLAMP LH
[CMPNENT
INTERNAL
MLFNCTN]
Transmits the headlamp warning signal (CAN communi-
cation) to the combination meter when the headlamp (LO)
ON conditions are satisfied. (When the ignition switch
turns ON, the headlamp warning is displayed on the infor-
mation display of the combination meter.)
DTC
CONSULT display description
Fail-safe
PCS
IPDM E/R
PCS-37
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
If No CAN Communication Is Available With BCM
IGNITION RELAY CONTROL
• IPDM E/R monitors the voltage at the contact circuit of the ignition relay inside it.
• IPDM E/R judges the ignition relay error if the voltage differs between the contact circuit.
FRONT WIPER CONTROL
IPDM E/R detects front wiper stop position by front wiper stop position signal.
When front wiper stop position signal is in the condition listed below while the front wiper is operating, IPDM E/
R activates the fail-safe.
DTC Inspection Priority Chart
INFOID:0000000010741710
Control part
Fail-safe operation
Cooling fan
• The cooling fan is operated at HI operation when the ignition switch is turned ON.
• Turn OFF the cooling fan operation when the ignition switch is turned OFF.
A/C compressor
A/C relay OFF
Control part
Fail-safe operation
Headlamp
• Turns ON the headlamp (LO) when the ignition switch is turned ON.
• Turns OFF the headlamp (LO) when the ignition switch is turned OFF.
• Headlamp (HI): OFF
• Parking lamp
• License plate lamp
• Illumination
• Tail lamp
• Turns ON the tail lamp, parking lamp, license plate lamp and each illumination when the ignition
switch is turned ON.
• Turns OFF the tail lamp, parking lamp, license plate lamp and each illumination when the ignition
switch is turned OFF.
Front wiper
• The status just before activation of fail-safe control is maintained until the ignition switch is turned
OFF while the front wiper is operating at LO or HI speed.
• The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-safe control
is activated while the front wiper is set in the INT mode and the front wiper motor is operating.
Daytime running light
Daytime running light: OFF
Front fog lamp
Front fog lamp: OFF
Ignition relay
The status just before activation of fail-safe is maintained.
Starter motor
Starter control relay: OFF
Headlamp washer
Headlamp washer relay: OFF
Voltage judgment
IPDM E/R judgment
Operation
Ignition relay con-
tact side
Ignition relay con-
trol condition
ON
ON
Ignition relay ON normal
—
OFF
OFF
Ignition relay OFF normal
—
ON
OFF
Ignition relay ON stuck
Detects DTC [B20DD: IGN RELAY ON CIRC]
OFF
ON
Ignition relay OFF stuck
Detects DTC [B20DE: IGN RELAY OFF CIRC]
Ignition switch
Front wiper switch
Front wiper stop position signal
Fail-safe
ON
OFF
The signal does not change from the battery
voltage for 10 seconds.
Stops front wiper power supply
for 20 seconds
Except OFF
The signal does not change for 10 seconds.
Priority
DTC No.
CONSULT display
1
U1000
CAN COMM CIRCUIT
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