ABS Warning Light Remains ON [08/2015 - 08/2019]: Procedure

1. Check if CAN communication system DTCs are output (Refer to DIAGNOSIS SYSTEM [08/2015 - 08/2019] ).

   Result

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

Result: 

B 

CHECK CAN COMMUNICATION SYSTEM 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] )

Result: 

A 

See step  2

1. Check if the skid control ECU (brake actuator assembly) connector is securely connected.

   OK

   The connector is securely connected.

Result: 

NG 

CONNECT CONNECTOR TO BRAKE ACTUATOR ASSEMBLY CORRECTLY 

Result: 

OK 

See step  3

1. Check the battery voltage.

   Standard voltage

   11 to 14 V

Result: 

NG 

CHECK OR REPLACE CHARGING SYSTEM OR BATTERY 

Result: 

OK 

See step  4

Refer to PROCEDURE - Step 1

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (IG1 CIRCUIT) 

Result: 

OK 

See step  5

Refer to PROCEDURE - Step 2

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (GND1 CIRCUIT) 

Result: 

OK 

See step  6

1. Reconnect the A53 skid control ECU (brake actuator assembly) connector.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Turn the Techstream on.
5. Enter the following menus: Chassis / ABS/VSC/TRAC / Data List.
6. According to the display on the Techstream, read the Data List.
   ABS/VSC/TRAC
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   ABS Warning Light	ABS warning light / ON or OFF	ON: Warning light on OFF: Warning light off	-

7. Check the Techstream display condition of the ABS warning light.

   Result

   Result	Proceed to
   Display of the Data List remains OFF	A
   Display of the Data List remains ON	B

Result: 

A 

INSPECT METER / GAUGE SYSTEM 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] )

Result: 

B 

REPLACE BRAKE ACTUATOR ASSEMBLY 

(Refer to REMOVAL [08/2015 - 08/2019] )