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 |
TC and CG Terminal Circuit
Vsc Off SwitchTerminals Of Ecu
TERMINALS OF ECU
1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the F42 air conditioning amplifier connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
...
System Description
SYSTEM DESCRIPTION
1. DESCRIPTION OF SYSTEM
(a) When the tire pressure warning system detects that the tire pressure of a
tire is below the threshold, it illuminates the tire pressure warning light to warn
the driver.
(b) The tire pressure warning anten ...