VEHICLE STABILITY CONTROL SYSTEM AUTO LSD Indicator Light does not Come ON
| DTC Code | DTC Name |
|---|---|
| AUTO LSD Indicator Light does not Come ON |
DESCRIPTION
Refer to AUTO LSD Indicator Light Remains ON.
WIRING DIAGRAM
Refer to AUTO LSD indicator light circuit.
CAUTION / NOTICE / HINT
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if CAN communication system DTCs are output.
for LHD with Central Gateway ECU:Click here
for RHD with Central Gateway ECU:Click here
for LHD without Central Gateway ECU:Click here
for RHD without Central Gateway ECU:Click here
Result
Proceed to
DTC is not output
DTC is output (for LHD with Central Gateway ECU)
DTC is output (for RHD with Central Gateway ECU)
DTC is output (for LHD without Central Gateway ECU)
DTC is output (for RHD without Central Gateway ECU)
CHECK HARNESS AND CONNECTOR (CSW TERMINAL)
Turn the ignition switch off.
Disconnect the A80 skid control ECU (brake actuator assembly) connector.
-
*a
Front view of wire harness connector
(to Skid Control ECU [Brake Actuator Assembly])
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Switch Condition
Specified Condition
A80-33 (CSW) - Body ground
VSC OFF switch (telltale light assembly) held on
Below 1 Ω
VSC OFF switch (telltale light assembly) (Not pressed)
10 kΩ or higher
Result
Proceed to
OK
NG
NG INSPECT TELLTALE LIGHT ASSEMBLYClick here
PERFORM ACTIVE TEST USING GTS (AUTO LSD INDICATOR LIGHT)
Reconnect the A80 skid control ECU (brake actuator assembly) connector.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Chassis / ABS/VSC/TRC / Active Test.
According to the display on the GTS, perform the Active Test.
When performing the AUTO LSD Indicator Light Active Test, check AUTO LSD Indicator Light in the Data List.
Chassis > ABS/VSC/TRC > Active Test
Tester Display
Measurement Item
Control Range
Diagnostic Note
Auto LSD Indicator Light
AUTO LSD indicator light
Indicator light ON/OFF
for 2WD
Observe combination meter
Vehicle condition: Vehicle stopped
Chassis > ABS/VSC/TRC > Data List
Tester Display
Measurement Item
Range
Normal Condition
Diagnostic Note
Auto LSD Indicator Light
AUTO LSD indicator light
ON or OFF
OFF: AUTO LSD indicator light off
ON: AUTO LSD indicator light on
for 2WD
Chassis > ABS/VSC/TRC > Active Test
Active Test Display
Auto LSD Indicator Light
Data List Display
Auto LSD Indicator Light
Result
Result
Proceed to
AUTO LSD indicator light in the Data List does not change using the Active Test
A
AUTO LSD indicator light in the Data List turns ON/OFF using the Active Test
B
INSPECT COMBINATION METER ASSEMBLY
Turn the ignition switch off.
Perform Active Test of the combination meter assembly using the GTS.
Check the combination meter assembly.
Body Electrical > Combination Meter > Active Test
Tester Display
Indicat. Auto LSD
OK
The AUTO LSD indicator light turns on or off in accordance with the GTS.
Result
Proceed to
OK
NG
INSPECT TELLTALE LIGHT ASSEMBLY
Remove the VSC OFF switch (telltale light assembly).
Inspect the VSC OFF switch (telltale light assembly).
Result
Proceed to
OK
NG
CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - TELLTALE LIGHT ASSEMBLY)
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
A80-33 (CSW) - G43-6 (+)
Always
Below 1 Ω
G43-13 (E) - Body ground
Always
Below 1 Ω
A80-33 (CSW) or G43-6 (+) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR