Nissan Primera P12. Instruction — part 335
DTC P0504 ASCD BRAKE SWITCH
EC-525
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
On Board Diagnosis Logic
EBS0158B
The MI will not light up for this diagnosis.
DTC confirmation Procedure
EBS0158C
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Steps 3 and 4 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a
road test is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1.
Start engine (ESP switch OFF).
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Drive the vehicle for at least 5 consecutive seconds under the
following condition.
If DTC is detected, go to
EC-527, "Diagnostic Procedure"
.
If DTC is not detected, go to the following step.
4.
Drive the vehicle for at least 5 consecutive seconds under the
following condition.
5.
If DTC is detected, go to
EC-527, "Diagnostic Procedure"
.
DTC No.
Trouble Diagnosis
Name
DTC Detecting Condition
Possible Cause
P0504
ASCD brake switch
●
When the vehicle speed is above 5 km/h (3
MPH), ON signal from the stop lamp switch
and OFF signal from the ASCD brake
switch are sent to the ECM at the same
time.
●
Harness or connectors
(The stop lamp switch circuit is open or
shorted.)
●
Harness or connectors
(The ASCD brake switch circuit is open or
shorted.)
●
Harness or connectors
(The ASCD clutch switch circuit is open or
shorted.)
●
Stop lamp switch
●
ASCD brake switch
●
ASCD clutch switch
●
Incorrect stop lamp switch installation
●
Incorrect ASCD brake switch installation
●
Incorrect ASCD clutch switch installation
●
ECM
VHCL SPEED SE
More than 5 km/h (3 MPH)
Selector lever
Suitable position
VHCL SPEED SE
More than 5 km/h (3 MPH)
Selector lever
Suitable position
Driving location
Depress the brake pedal for more than
five seconds so as not to come off from
the above-mentioned condition.
MBIB1085E
EC-526
[YD (WITHOUT EURO-OBD)]
DTC P0504 ASCD BRAKE SWITCH
Wiring Diagram
EBS0158D
MBWA0647E
DTC P0504 ASCD BRAKE SWITCH
EC-527
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Diagnostic Procedure
EBS0158E
1.
CHECK OVERALL FUNCTION-I
1.
Turn ignition switch ON.
2.
Select “BRAKE SW” in “DATA MONITOR” mode with CON-
SULT-II.
3.
Check “BRAKE SW” indication under the following conditions.
OK or NG
OK
>> GO TO 2.
NG
>> GO TO 3.
2.
CHECK OVERALL FUNCTION-II
Check “BRAKE SW2” indication in “DATA MONITOR” mode.
OK or NG
OK
>> GO TO 16.
NG
>> GO TO 8.
CONDITION
INDICATION
When brake pedal is depressed
ON
When brake pedal is released
OFF
PBIB0472E
CONDITION
INDICATION
When brake pedal or clutch pedal is depressed
ON
When brake pedal and clutch pedal are released
OFF
SEC013D
EC-528
[YD (WITHOUT EURO-OBD)]
DTC P0504 ASCD BRAKE SWITCH
3.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch harness connector.
3.
Check voltage between stop lamp switch terminal 1 and ground
with CONSULT -II or tester.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 4.
4.
DETECT MALFUNCTIONING PART
Check the following.
●
Fuse block (J/B) connector M2
●
15A fuse
●
Harness for open or short between stop lamp switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.
CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Disconnect ECM harness connector.
2.
Check harness continuity between ECM terminal 100 and stop lamp switch terminal 2.
Refer to Wiring Diagram.
3.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 7.
NG
>> GO TO 6.
6.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors M77, F109
●
Harness for open or short between ECM and stop lamp switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
MBIB0235E
Voltage: Battery voltage
PBIB0117E
Continuity should exist.
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