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 |
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
NOTICE:
In the table below, the valves listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when deciding whether a part
is faulty or not.
HINT:
Using the T ...
Air Outlet Damper Control Servo Motor Circuit (B1443)
DESCRIPTION
The damper servo sub-assembly (mode damper servo) sends pulse signals to inform
the No. 1 air conditioning amplifier assembly of the damper position. The No. 1
air conditioning amplifier assembly activates the motor (normal or reverse) based
...