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 |
Downhill Assist Control Switch Malfunction (Test Mode DTC) (C1379)
DESCRIPTION
w/ Downhill Assist Control:
DTC C1379 is cleared when the downhill assist control switch sends a downhill
assist control operation signal or when test mode ends.
w/ Crawl Control:
DTC C1379 is cleared when the crawl control switch sends a cra ...
Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE REAR WHEEL
2. DISCONNECT REAR DISC BRAKE CYLINDER ASSEMBLY LH
(a) R ...