Infiniti G35 (V35). Manual — part 438
ASCD BRAKE SWITCH
EC-633
C
D
E
F
G
H
I
J
K
L
M
A
EC
ASCD BRAKE SWITCH
PFP:25320
Component Description
NBS00126
When the brake pedal is depressed, ASCD brake switch is turned
OFF and stop lamp switch is turned ON. ECM detects the state of
the brake pedal by this input of two kinds (ON/OFF signal).
Refer to
EC-29, "AUTOMATIC SPEED CONTROL DEVICE (ASCD)"
for the ASCD function.
CONSULT-II Reference Value in Data Monitor Mode
NBS00127
Specification data are reference values.
PBIB1005E
MONITOR ITEM
CONDITION
SPECIFICATION
BRAKE SW 1
(ASCD brake switch)
●
Ignition switch: ON
●
Brake pedal: Fully released (A/T)
●
Brake pedal and clutch pedal: Fully
released (M/T)
ON
●
Brake pedal: Slightly depressed (A/T)
●
Brake pedal and/or clutch pedal:
Slightly depressed (M/T)
OFF
BRAKE SW 2
(Stop lamp switch)
●
Ignition switch: ON
Brake pedal: Fully released
OFF
Brake pedal: Slightly depressed
ON
EC-634
ASCD BRAKE SWITCH
Wiring Diagram
NBS00128
TBWM0831E
ASCD BRAKE SWITCH
EC-635
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.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
101
P/L
Stop lamp switch
[Ignition switch: OFF]
●
Brake pedal: Fully released
Approximately 0V
[Ignition switch: OFF]
●
Brake pedal: Slightly depressed
BATTERY VOLTAGE
(11 - 14V)
108
SB
ASCD brake switch
[Ignition switch: ON]
●
Brake pedal: Slightly depressed (A/T)
●
Brake pedal and/or clutch pedal: Slightly
depressed (M/T)
Approximately 0V
[Ignition switch: ON]
●
Brake pedal: Fully released (A/T)
●
Brake pedal and clutch pedal: Fully released
(M/T)
BATTERY VOLTAGE
(11 - 14V)
EC-636
ASCD BRAKE SWITCH
Diagnostic Procedure
NBS00129
A/T MODELS
1.
CHECK OVERALL FUNCTION-I
With CONSULT-II
1.
Turn ignition switch ON.
2.
Select “BRAKE SW1” in “DATA MONITOR” mode with CONSULT-II.
3.
Check “BRAKE SW1” indication under the following conditions.
Without CONSULT-II
1.
Turn ignition switch ON.
2.
Check voltage between ECM terminal 108 and ground under the
following conditions.
OK or NG
OK
>> GO TO 2.
NG
>> GO TO 3.
CONDITION
INDICATION
Brake pedal: Slightly depressed
OFF
Brake pedal: Fully released
ON
SEC011D
CONDITION
VOLTAGE
Brake pedal: Slightly depressed
Approximately 0V
Brake pedal: Fully released
Battery voltage
MBIB0061E
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