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 |
Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION
This DTC is stored when a problem, such as an open in the AM2 fuse, an open or
short in the wire harness between the fuse and power management control ECU, a short
in the IG output circuit inside the power management control ECU, a short betwe ...
Communication Malfunction (Bus Ic) (B1497)
DESCRIPTION
The air conditioning harness assembly connects the No. 1 air conditioning amplifier
assembly and each servo motor. The No. 1 air conditioning amplifier assembly supplies
power and sends operation instructions to each servo motor through the No ...