Nissan Qashqai J11. Manual — part 909
PB-18
< SYSTEM DESCRIPTION >
SYSTEM
Circuit Diagram
INFOID:0000000010318121
Fail-Safe
INFOID:0000000010318122
• The master warning lamp (yellow) turns ON when a malfunction with the system occurs.
• When parking brake switch is pulled/pushed during system malfunction, electric parking brake indicator
lamp blinks and master warning lamp (red) turns ON when electric parking brake cannot be operated. It
restricts braking and release operations of electric parking brake.
JSFIA1090GB
DIAGNOSIS SYSTEM (ELECTRIC PARKING BRAKE CONTROL MODULE)
PB-19
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (ELECTRIC PARKING BRAKE CONTROL MODULE)
CONSULT Function
INFOID:0000000010835542
APPLICATION ITEM
CONSULT can display each diagnostic item using the diagnostic test modes as follows.
*
: The following diagnosis information is erased by erasing.
• DTC
• Freeze frame data (FFD)
ECU IDENTIFICATION
Electric parking brake control module part number can be read.
SELF DIAGNOSTIC RESULT
When “CRNT” is displayed on self-diagnosis result
• The system is presently malfunctioning.
When “PAST” is displayed on self-diagnosis result
• System malfunction in the past is detected, but the system is presently normal.
Freeze Frame Data (FFD)
When DTC is detected, a vehicle status shown below is recorded and displayed on CONSULT.
Mode
Function description
ECU identification
Parts number of electric parking brake control module can be read.
Self Diagnostic Results
Self-diagnostic results and freeze frame data can be read and erased quickly.
*
DATA MONITOR
Input/Output data in the electric parking brake control module can be read.
Work Support
Components can be quickly and accurately adjusted.
Item name
Indication/Unit
Display item
IGN COUNTER
(0
−
39)
The number of times that power switch is ON after the DTC is detected is displayed.
• When “0” is displayed: It indicates that the system is presently malfunctioning.
• When except “0” is displayed: It indicates that system malfunction in the past is detect-
ed, but the system is presently normal.
NOTE:
Each time when power switch is turned OFF to ON, numerical number increases in 1
→
2
→
3...38
→
39. When the operation number of times exceeds 39, the number do
not increase and “39” is displayed until self-diagnosis is erased.
DTC COUNTER
—
Displays the number of DTCs detected upon DTC detection.
BRAKE PEDAL STATUS
Off
Displays when the brake pedal is not depressed upon DTC detection.
On 1
Displays when the either stop lamp switch or brake pedal position switch is ON upon DTC
detected.
On 2
Displays when the both stop lamp switch and brake pedal position switch are ON upon
DTC detected.
NO SIGNAL
Displays when the operation status of the brake pedal cannot be checked upon DTC de-
tection.
IGN SW
Off
Displays when the ignition switch is OFF upon DTC detection.
On
Displays when the ignition switch is ON upon DTC detection.
ENGINE STATUS
STOP
Displays when the engine is stopped upon DTC detection.
RUN 1
Displays when the cranking status.
RUN 2
Displays when the engine running status.
CAN DIAG PERMIS STA-
TUS
On 1
Displays when the ignition switch is OFF upon DTC detection.
On 2
Displays when the ignition switch is ON upon DTC detection.
NO SIGNAL
Displays when signals cannot be received via CAN communication upon DTC detection.
PB-20
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (ELECTRIC PARKING BRAKE CONTROL MODULE)
DIAGNOSIS SYSTEM (ELECTRIC PARKING BRAKE CONTROL MODULE)
CONSULT Function
INFOID:0000000010835542
APPLICATION ITEM
CONSULT can display each diagnostic item using the diagnostic test modes as follows.
*
: The following diagnosis information is erased by erasing.
• DTC
• Freeze frame data (FFD)
ECU IDENTIFICATION
Electric parking brake control module part number can be read.
SELF DIAGNOSTIC RESULT
When “CRNT” is displayed on self-diagnosis result
• The system is presently malfunctioning.
When “PAST” is displayed on self-diagnosis result
• System malfunction in the past is detected, but the system is presently normal.
Freeze Frame Data (FFD)
When DTC is detected, a vehicle status shown below is recorded and displayed on CONSULT.
Mode
Function description
ECU identification
Parts number of electric parking brake control module can be read.
Self Diagnostic Results
Self-diagnostic results and freeze frame data can be read and erased quickly.
*
DATA MONITOR
Input/Output data in the electric parking brake control module can be read.
Work Support
Components can be quickly and accurately adjusted.
Item name
Indication/Unit
Display item
IGN COUNTER
(0
−
39)
The number of times that power switch is ON after the DTC is detected is displayed.
• When “0” is displayed: It indicates that the system is presently malfunctioning.
• When except “0” is displayed: It indicates that system malfunction in the past is detect-
ed, but the system is presently normal.
NOTE:
Each time when power switch is turned OFF to ON, numerical number increases in 1
→
2
→
3...38
→
39. When the operation number of times exceeds 39, the number do
not increase and “39” is displayed until self-diagnosis is erased.
DTC COUNTER
—
Displays the number of DTCs detected upon DTC detection.
BRAKE PEDAL STATUS
Off
Displays when the brake pedal is not depressed upon DTC detection.
On 1
Displays when the either stop lamp switch or brake pedal position switch is ON upon DTC
detected.
On 2
Displays when the both stop lamp switch and brake pedal position switch are ON upon
DTC detected.
NO SIGNAL
Displays when the operation status of the brake pedal cannot be checked upon DTC de-
tection.
IGN SW
Off
Displays when the ignition switch is OFF upon DTC detection.
On
Displays when the ignition switch is ON upon DTC detection.
ENGINE STATUS
STOP
Displays when the engine is stopped upon DTC detection.
RUN 1
Displays when the cranking status.
RUN 2
Displays when the engine running status.
CAN DIAG PERMIS STA-
TUS
On 1
Displays when the ignition switch is OFF upon DTC detection.
On 2
Displays when the ignition switch is ON upon DTC detection.
NO SIGNAL
Displays when signals cannot be received via CAN communication upon DTC detection.
DIAGNOSIS SYSTEM (ELECTRIC PARKING BRAKE CONTROL MODULE)
PB-21
< SYSTEM DESCRIPTION >
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DATA MONITOR
NOTE:
LAST BRAKE OPERAT-
ING (LH)
NO REQUEST
Displays when no operation request of the rear LH brake is given upon DTC detection.
INHIBIT
Displays when operation request of the rear LH brake is inhibited upon DTC detection.
ACT 2
Displays when the braking of the rear LH brake is requested upon DTC detection.
RLS 2
Displays when the releasing of the rear LH brake is requested upon DTC detection.
LAST BRAKE OPERAT-
ING (RH)
NO REQUEST
Displays when no operation request of the rear RH brake is given upon DTC detection.
INHIBIT
Displays when operation request of the rear RH brake is inhibited upon DTC detection.
ACT 2
Displays when the braking of the rear RH brake is requested upon DTC detection.
RLS 2
Displays when the releasing of the rear RH brake is requested upon DTC detection.
BRAKE STATUS (LH)
ACT 1
Displays but not used
ACT 2
Displays when the motor of the parking brake actuator LH is rotating upon DTC detection.
(Braking)
ACT 3
Displays when the motor of the parking brake actuator LH is OFF upon DTC detection.
(Braking)
RLS 1
Displays when the motor of the parking brake actuator LH is OFF after obtaining clear-
ance of brake pad and disc rotor upon DTC detected. (Release)
RLS 2
Displays when the motor of the parking brake actuator LH is rotating to obtain clearance
of brake pad and disc rotor upon DTC detected. (Release)
UNKNO
Displays when the operation status of the rear LH brake is unclear upon DTC detection.
INIT
Displays when the operation status of the rear LH brake is the initial status upon DTC de-
tection.
RLS 3
Displays when the motor of the parking brake actuator LH is OFF after the piston is re-
turned to the end upon DTC detection. (Release)
RLS 4
Displayed when the motor of the parking brake actuator LH is rotating until the piston is
returned to the end upon DTC detected. (Release)
BRAKE STATUS (RH)
ACT 1
Displayed but not used
ACT 2
Displays when the motor of the parking brake actuator RH is rotating upon DTC detection.
(Braking)
ACT 3
Displays when the motor of the parking brake actuator RH is OFF upon DTC detection.
(Braking)
RLS 1
Displays when the motor of the parking brake actuator RH is OFF after obtaining clear-
ance of brake pad and disc rotor upon DTC detected. (Release)
RLS 2
Displays when the motor of the parking brake actuator RH is rotating to obtain clearance
of brake pad and disc rotor upon DTC detected. (Release)
UNKNO
Displays when the operation status of the rear RH brake is unclear upon DTC detection.
INIT
Displays when the operation status of the rear RH brake is the initial status upon DTC
detection.
RLS 3
Displays when the motor of the parking brake actuator RH is OFF after the piston is re-
turned to the end upon DTC detection. (Release)
RLS 4
Displayed when the motor of the parking brake actuator RH is rotating until the piston is
returned to the end upon DTC detected. (Release)
BATTERY VOLT
V
Display the electric parking brake control module power supply upon DTC detection.
BRAKE FORCE (LH)
KN
Displays the braking force of the rear LH brake upon DTC detection.
BRAKE FORCE (RH)
KN
Displays the braking force of the rear RH brake upon DTC detection.
SLOPE RATIO
%
Displays the inclination of road surface upon DTC detection.
STOP/START SYSTEM
STATUS
Off
Displays when the stop/start system is deactivated upon DTC detection.
On
Displays when the stop/start system is activated upon DTC detection.
Item name
Indication/Unit
Display item
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