Nissan Qashqai J11. Manual — part 1697
B1C12 REAR HEIGHT SENSOR SIGNAL
EXL-89
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
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EXL
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B1C12 REAR HEIGHT SENSOR SIGNAL
DTC Description
INFOID:0000000010452536
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Height sensor installation condition
• Height sensor
• IPDM E/R
FAIL-SAFE
Right and left headlamp aiming motors stop at the position when DTC is detected.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON and wait at least 30 seconds or more.
2.
Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010452537
1.
CHECK HEIGHT SENSOR SIGNAL
1.
Unload the vehicle (no passenger aboard).
2.
Turn ignition switch ON.
3.
Check the voltage between IPDM E/R harness connector and ground.
Multi-link rear suspension models
Torsion beam rear suspension models
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK INSTALLATION OF HEIGHT SENSOR
Check height sensor is properly installed. Refer to
.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B1C12
RR HEIGHT SENSOR SIGNAL
(Rear height sensor signal)
[SIG
PRTCTN
CLCLTN IN-
CRCT]
When ignition switch is ON and the height sensor signal
voltage that is input from the height sensor is 4.75 V or
more, or 0.25 V or less compared to the initial setting val-
ue continually for 30 seconds or more.
+
-
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
E38
21
Ground
1.5 V
+
-
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
E38
21
Ground
2.35 V
EXL-90
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
B1C12 REAR HEIGHT SENSOR SIGNAL
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning parts and perform sensor initialize. Refer to
3.
PERFORM SENSOR INITIALIZE
Perform sensor initialize. Refer to
.
Is the sensor initialize completed?
YES
>> GO TO 4.
NO
>> Replace height sensor. Refer to
EXL-170, "Removal and Installation"
.
4.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.
3.
Touch “ERASE” to erase DTC memory of IPDM E/R.
4.
Turn ignition switch OFF.
5.
Perform DTC confirmation procedure. Refer to
Is DTC detected again?
YES
>> GO TO 5.
NO
>> INSPECTION END
5.
REPLACE HEIGHT SENSOR
With CONSULT
1.
Replace height sensor. Refer to
EXL-170, "Removal and Installation"
.
2.
Turn ignition switch ON.
3.
Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.
4.
Touch “ERASE” to erase DTC memory of IPDM E/R.
5.
Turn ignition switch OFF.
6.
Perform DTC confirmation procedure. Refer to
Is DTC detected again?
YES
>> Replace IPDM E/R. Refer to
PCS-67, "Removal and Installation"
NO
>> INSPECTION END
B20CB DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT
EXL-91
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
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B20CB DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT
DTC Description
INFOID:0000000010452605
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector
• Front combination lamp LH internal circuit
- LED (Daytime running light)
- Control circuit
- Harness
• IPDM E/R
FAIL-SAFE
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 CONFIRMATION PROCEDURE
1.
PRECONDITIONING
With CONSULT
1.
Turn ignition switch ON.
2.
Select “DTRL LH CIRC MALFUNCTN” in “Data Monitor” mode of “IPDM E/R” using CONSULT.
3.
Check the monitor status.
What is the monitor status?
“0”
>> GO TO 2.
“1”
>> A short circuit is detected multiple times in the daytime running light LH power supply circuit, and
damage accumulates at the smart FET inside the IPDM E/R. For this reason, IPDM E/R does not
turn ON the smart FET. Because the DTC cannot be reproduced in this state, perform
and replace IPDM E/R after the malfunctioning part is repaired. Refer to
PCS-67, "Removal and Installation"
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch OFF.
2.
Start engine.
3.
Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.
4.
Check DTC.
Is DTC detected?
YES
>> Refer to
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010452606
1.
CHECK DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT (SHORT)
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B20CB
DTRL LH PWR SPLY CIRC
(Daytime running light left hand power sup-
ply circuit)
[CIRC
SHORT TO
GRND]
When daytime running light ON conditions are satisfied
(smart FET inside IPDM E/R is ON), and overcurrent is
detected in the daytime running light LH power supply cir-
cuit.
Monitor item
Monitor status
DTRL LH CIRC MALFUNCTN
0
1
EXL-92
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
B20CB DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and front combination lamp LH connector.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK DAYTIME RUNNING LIGHT LH POWER SUPPLY
With CONSULT
1.
Connect IPDM E/R connector.
2.
Turn ignition switch ON
3.
Select “DAYTIME RUNNING LIGHT” in “Active Test” mode of “IPDM E/R” using CONSULT.
4.
With operating the test items, check the voltage between front combination lamp LH harness connector
and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace IPDM E/R. Refer to
PCS-67, "Removal and Installation"
3.
CHECK DAYTIME RUNNING LIGHT LH
Check the daytime running light LH. Refer to
EXL-92, "Component Inspection"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace front combination lamp LH. Refer to
EXL-161, "Removal and Installation"
.
Component Inspection
INFOID:0000000010452607
1.
CHECK DAYTIME RUNNING LIGHT LH
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp LH connector.
3.
Check resistance of front combination lamp LH terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace front combination lamp LH. Refer to
EXL-161, "Removal and Installation"
.
IPDM E/R
—
Continuity
Connector
Terminal
E102
64
Ground
Not existed
+
-
Test item
Voltage
Front combination lamp LH
Connector
Terminal
E91
4
Ground
DAYTIME
RUNNING
LIGHT
On
9 – 16 V
Off
0 – 1 V
Front combination lamp LH
Resistance
Terminal
4
6
Except 0
Ω
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