DESCRIPTION
The signal check circuit detects trouble in the sensor or switch signal which cannot be detected by the DTC check.
Connecting terminals TS and CG of the DLC3 starts the check.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the master cylinder solenoid, perform calibration (See page
).
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - DLC3) |
(a) Turn the ignition switch off.
(b) Disconnect the A6 skid control ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A6-24 (TS) - F13-12 (TS) |
Always |
Below 1 Ω |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F13-4 (CG) - Body ground |
Always |
Below 1 Ω |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F13-12 (TS) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE MASTER CYLINDER SOLENOID |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Using the steering wheel audio switches
Some audio features can be controlled using the switches on the steering
wheel.
Operation may differ depending on the type of audio system or navigation
system. For details, refer to the manual provided with the audio system or
navigation system.
1. ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BRAKE FLUID INFORMATION LABEL
2. REMOVE BRAKE MASTER CYLINDER RESERVOIR FILLER CAP ASSEMBLY
(a) Remove the brake master cylinder reservoir filler cap assembly from the brake
master cylinder reservoir assembly.
3. REMOVE B ...