Nissan Leaf. Manual - part 177
DIAGNOSIS SYSTEM (ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT)
BR-29
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (ELECTRICALLY-DRIVEN INTELLIGENT BRAKE
UNIT)
CONSULT Function
INFOID:0000000010122993
APPLICATION ITEM
CONSULT can display each diagnostic item using the diagnostic test modes as follows.
*: The following diagnosis information is erased by erasing.
CAUTION:
After erasing self-diagnosis results, turn the power switch OFF to exit CONSULT, and disconnect CON-
SULT from data link connector. Close all doors (including back door), check that the room lamp is OFF,
get out of the vehicle, and wait for 3 minutes or more with all doors closed. Never operate the vehicle
while waiting.
• DTC
• Freeze frame data (FFD)
ECU IDENTIFICATION
Electrically-driven intelligent brake unit 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 state shown below is recorded and displayed on CONSULT.
Mode
Function description
ECU identification
Parts number of electrically-driven intelligent brake unit 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 electrically-driven intelligent brake unit can be read.
Work Support
Components can be quickly and accurately adjusted.
Item name
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 detected, 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.
PEDAL STROKE VALUE
Displays the brake pedal stroke at the time the malfunction is detected.
MASTER CYL PRESSURE
Displays the brake fluid pressure generated in the master cylinder at the time the malfunction is
detected.
CONTROL MODULE TEMP
Displays the temperature of the control module that is integrated with the electrically-driven intelli-
gent brake unit at the time the malfunction is detected.
MOTOR POWER SUPPLY
Displays the power voltage of the motor inside the electrically-driven intelligent brake unit at the
time the malfunction is detected.
CONTROL MODULE POWER
Displays the power voltage of the control module that is integrated with the electrically-driven intel-
ligent brake unit at the time the malfunction is detected.
Q axis current
Displays the current at the motor inside the electrically-driven intelligent brake unit at the time the
malfunction is detected.
VEHICLE SPEED
Displays the vehicle speed at the time the malfunction is detected.