Nissan Tiida C11. Manual — part 571
EC-934
< COMPONENT DIAGNOSIS >
[MR18DE]
P1572 ASCD BRAKE SWITCH
5.
Check 1st trip DTC.
With GST
Follow the procedure “With CONSULT-III” above.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-II
1.
Drive the vehicle for at least 5 consecutive seconds under the following conditions.
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
This procedure 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.
2.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001610402
1.
CHECK OVERALL FUNCTION-I
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “BRAKE SW1” in “DATA MONITOR” mode with CONSULT-III.
3.
Check “BRAKE SW1” indication under the following conditions.
Without CONSULT-III
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector terminal as follows.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK OVERALL FUNCTION-II
VHCL SPEED SE
More than 30 km/h (19 mph)
Shift lever
Suitable position
VHCL SPEED SE
More than 30 km/h (19 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 vehicle speed.
Monitor item
Condition
Indication
BRAKE SW1
Brake pedal and clutch pedal
Slightly depressed
OFF
Fully released
ON
(+)
(
−
)
Condition
Voltage
Connector
Terminal
Connector
Terminal
E16
100
(ASCD brake switch signal)
E16
108
Brake pedal
Slightly depressed
Approx. 0V
Fully released
Battery voltage
P1572 ASCD BRAKE SWITCH
EC-935
< COMPONENT DIAGNOSIS >
[MR18DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
With CONSULT-III
Select “BRAKE SW2” and check indication in “DATA MONITOR” mode.
Without CONSULT-III
Check the voltage between ECM harness connector terminal as follows.
Is the inspection result normal?
YES
>> GO TO 16.
NO
>> GO TO 11.
3.
CHECK ASCD BRAKE SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ASCD cluch switch harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between ASCD cluch switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 4.
4.
CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ASCD brake switch harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between ASCD brake switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E7, M69 (LHD models)
• Harness connectors M201, M25 (RHD models)
• 10A fuse (No.2)
• Harness for open or short between ASCD brake switch and fuse
Monitor item
Condition
Indication
BRAKE SW2
Brake pedal
Slightly depressed
ON
Fully released
OFF
(+)
(
−
)
Condition
Voltage
Connector
Terminal
Connector
Terminal
E16
99
(Stop lamp switch signal)
E108
108
Brake pedal
Slightly depressed
Approx. 0V
Fully released
Battery voltage
ASCD Clutch switch
Ground
Condition
Voltage (V)
Connector
Terminal
E35 (LHD models)
M206 (RHD models)
1
Ground
Brake pedal
Slightly depressed
Approx. 0
Fully released
Battery voltage
ASCD brake switch
Ground
Voltage
Connector
Terminal
E36 (LHD models)
M205 (RHD models)
1
Ground
Battery voltage
EC-936
< COMPONENT DIAGNOSIS >
[MR18DE]
P1572 ASCD BRAKE SWITCH
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check the continuity between ASCD brake switch harness connector and ASCD clutch switch harness
connector.
3.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
7.
CHECK ASCD BRAKE SWITCH
EC-966, "Component Inspection (ASCD Brake Switch)"
.
Is the inspection result normal?
YES
>> GO TO 16.
NO
>> Replace ASCD brake switch.
8.
CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between ECM harness connector and ASCD cluch switch harness connector.
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 9.
9.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connector E7, M69, M201, M25 (RHD models)
• Harness for open or short between ECM and ASCD clutch switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
10.
CHECK ASCD CLUTCH SWITCH
EC-966, "Component Inspection (ASCD Clutch Switch)"
Is the inspection result normal?
YES
>> GO TO 16.
NO
>> Replace ASCD clutch switch.
11.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch harness connector.
3.
Check the voltage between stop lamp switch harness connector and ground.
ASCD brake switch
ASCD clutch switch
Continuity
Connector
Terminal
Connector
Terminal
E36 (LHD models)
M205 (RHD models)
2
E35 (LHD models)
M206 (RHD models)
1
Existed
ECM
ASCD cluch switch
Continuity
Connector
Terminal
Connector
Terminal
E16
100
E35 (LHD models)
M206 (RHD models)
2
Existed
P1572 ASCD BRAKE SWITCH
EC-937
< COMPONENT DIAGNOSIS >
[MR18DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> GO TO 13.
NO
>> GO TO 12.
12.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors M69, E7 (LHD models)
• Harness connectors M25, M201 (RHD models)
• 10A fuse (No.7)
• Harness for open or short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
13.
CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Disconnect ECM harness connector.
2.
Check the continuity between ECM harness connector and stop lamp switch harness connector.
3.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 15.
NG
>> GO TO 14.
14.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connector E7, M69, M201, M25 (RHD models)
• 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.
15.
CHECK STOP LAMP SWITCH
EC-946, "Component Inspection (Stop Lamp Switch)"
.
Is the inspection result normal?
YES
>> GO TO 16.
NO
>> Replace stop lamp switch.
16.
CHECK INTERMITTENT INCIDENT
GI-55, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection (ASCD Brake Switch)
INFOID:0000000001161916
1.
CHECK ASCD BRAKE SWITCH-I
1.
Turn ignition switch OFF.
2.
Disconnect ASCD brake switch harness connector.
3.
Check the continuity between ASCD brake switch terminals under the following conditions.
Stop lamp switch
Ground
Voltage
Connector
Terminal
E13 (LHD models)
M203 (RHD models)
1
Ground
Battery voltage
ECM
Stop lamp switch
Continuity
Connector
Terminal
Connector
Terminal
E16
99
E13 (LHD models)
M203 (RHD models)
2
Existed
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