Nissan Almera Tino V10. Instruction — part 421
EC-510
[QG (WITH EURO-OBD)]
DTC P1805 BRAKE SWITCH
Wiring Diagram
EBS00QT4
YEC471A
DTC P1805 BRAKE SWITCH
EC-511
[QG (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure
EBS00QT5
1.
CHECK STOP LAMP SWITCH CIRCUIT
1.
Turn ignition switch “OFF”.
2.
Check the stop lamp when depressing and releasing the brake pedal.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 2.
2.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1.
Disconnect stop lamp switch harness connector.
2.
Check voltage between stop lamp switch terminal 1 and ground
with CONSULT-II or tester.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
101
R/G
Stop lamp switch
[Ignition switch “OFF”]
●
Brake pedal fully released
Approximately 0V
[Ignition switch “OFF”]
●
Brake pedal depressed
BATTERY VOLTAGE
(11 - 14V)
Brake pedal
Stop lamp
Fully released
Not illuminated
Depressed
Illuminated
MBIB0152E
Voltage: Battery voltage
PBIB0117E
EC-512
[QG (WITH EURO-OBD)]
DTC P1805 BRAKE SWITCH
3.
DETECT MALFUNCTIONING PART
Check the following.
●
15A fuse
●
Fuse block (J/B) connector M2
●
Harness for open and short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch “OFF”.
2.
Disconnect ECM harness connector.
3.
Disconnect stop lamp switch harness connector.
4.
Check harness continuity between ECM terminal 101 and stop
lamp switch terminal 2.
Refer to Wiring Diagram.
5.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 5.
NG
>> Repair open circuit or short to ground or short to power
in harness or connectors.
5.
CHECK STOP LAMP SWITCH
Refer to
EC-512, "Component Inspection"
.
OK or NG
OK
>> GO TO 6.
NG
>> Replace stop lamp switch.
6.
CHECK INTERMITTENT INCIDENT
Refer to
EC-138, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
>> INSPECTION END
Component Inspection
EBS00QT6
STOP LAMP SWITCH
1.
Disconnect stop lamp switch harness connector.
Continuity should exist.
MBIB0152E
MBIB0152E
DTC P1805 BRAKE SWITCH
EC-513
[QG (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
2.
Check continuity between stop lamp switch terminals 1 and 2
under the following conditions.
If NG, adjust brake pedal installation, refer to “BRAKE PEDAL
AND BRACKET”, BR-14, and perform step 2 again.
Conditions
Continuity
Brake pedal fully released
Should not exist.
Brake pedal depressed
Should exist.
PBIB0118E
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