Nissan Juke Service and Repair Manual : Diagnosis system [ABS actuator and electric unit (control unit)]
CONSULT-III Function
APPLICATION ITEMS
CONSULT-III can display each diagnostic item using the diagnostic test modes as follows.
*1: The following diagnosis information is erased by erasing.
• DTC
• Freeze frame data (FFD)
*2: Although “Function Test” is selectable, do not use its.
ECU IDENTIFICATION
ABS actuator and electric unit (control unit) part number can be read.
SELF DIAGNOSTIC RESULT
Refer to BRC-142, "DTC Index".
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-III.
DATA MONITOR
*1: Refer to BRC-105, "System Description" for ON/OFF conditions of each
warning lamp
.
*2: Models with CVT
ACTIVE TEST
The active test is used to determine and identify details of a malfunction, based on self-diagnosis test result sand data obtained in the DATA MONITOR. In response to instructions from CONSULT-III, instead of those from ABS actuator and electric unit (control unit) on the vehicle, a drive signal is sent to the actuator to check its operation.
CAUTION:
• Never perform ACTIVE TEST while driving the vehicle.
• Always bleed air from brake system before ACTIVE TEST.
• Never perform ACTIVE TEST when system is malfunctioning.
NOTE:
• When active test is performed while depressing the pedal, the pedal depressing stroke may change. This is not a malfunction.
• “TEST IS STOPPED” is displayed approx. 10 seconds after operation start.
• When performing active test again after “TEST IS STOPPED” is displayed, select “BACK”.
• ABS warning lamp and brake warning lamp may turn ON during active test. This is not a malfunction.
ABS IN Valve and ABS OUT Valve When “Up”, “Keep” or “Down” is selected on display screen, the following items are displayed when system is normal.
*: Immediately after being selected, status is “On”. Status changes to “Off” after approx. 2 seconds.
ABS IN Valve (ACT) and ABS OUT Valve (ACT) When “Up”, “ACT KEEP” or “ACT UP” is selected on display screen, the following items are displayed when system is normal.
*: Immediately after being selected, status is “On”. Status changes to “Off” after approx. 2 seconds.
ABS Motor
When “On” or “Off” is selected on display screen, the following items are
displayed when system is normal.
System
System Description
• The system switches fluid pressure of each brake caliper to increase, to
hold or to decrease according to
signals from control unit in ABS actuator and electric unit (control ...
ECU diagnosis information
ABS actuator and electric unit (control unit)
Reference Value
CONSULT-III DATA MONITOR STANDARD VALUE
*1: Confirm tire pressure is standard value.
*2: Refer to “valve operation” in BRC-105, ...
Other materials:
P0776 pressure control solenoid B
Description
The secondary pressure solenoid valve regulates the secondary pressure to
suit the driving condition in
response to a signal sent from the TCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION ...
P0171 fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensors 1. The ECM calculates
the necessary compensation to correct th ...
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
NOTE:
• Before removing and installing any control units, first turn the ignition
switch to the LOCK position, then disconnect
both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Always use CONS ...
