DESCRIPTION
The A-TRAC does not operate even if the A-TRAC switch is pressed under the following conditions:
WIRING DIAGRAM
Refer to A-TRAC Indicator Light Remains ON (See page
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing the master cylinder solenoid, perform calibration (See page
).
PROCEDURE
1. |
CHECK CAN COMMUNICATION LINE |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Select CAN Bus Check from the System Selection Menu screen and follow the
prompts on the screen to inspect the CAN bus (See page
).
OK:
CAN Bus Check indicates no malfunctions in CAN communication.
NG | ![]() |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
2. |
INSPECT TRACTION CONTROL SWITCH (A-TRAC SWITCH) |
NG | ![]() |
REPLACE TRACTION CONTROL SWITCH (A-TRAC SWITCH) |
|
3. |
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - A-TRAC SWITCH) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
READ VALUE USING TECHSTREAM (A-TRAC INDICATOR LIGHT) |
OK | ![]() |
GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
NG | ![]() |
REPLACE MASTER CYLINDER SOLENOID |
Indicator Circuit
DESCRIPTION
The warning indicator lights are installed in the combination meter assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedure.
PROCE ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT NO. 1 ULTRASONIC SENSOR
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
1 (E ...