Brake Warning Light does not Come ON [08/2013 - ]: Procedure

1. Check if CAN communication system DTCs are output. Refer to DIAGNOSIS SYSTEM [08/2013 - ] .

   Result

   Result	Proceed to
   DTCs are not output.	A
   DTCs are output.	B

B → See step   4 

A: Go to next step 

1. Disconnect the A24 skid control ECU (brake booster with master cylinder assembly) connector.
2. Turn the power switch on (IG).
3. Check that the brake warning light / red (malfunction) comes on.

   OK

   The brake warning light / red (malfunction) comes on.

   HINT: 

   If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part. Refer to PROBLEM SYMPTOMS TABLE [08/2013 - ] .

NG → See step   3 

OK → See step   5 

1. Turn the power switch off.
2. Reconnect the A24 skid control ECU (brake booster with master cylinder assembly) connector.
3. Perform the Active Test of the combination meter assembly (meter CPU) using the Techstream. Refer to DATA LIST / ACTIVE TEST [08/2013 - ] .
4. Check the combination meter assembly.

   OK

   The brake warning light / red (malfunction) turns on or off in accordance with Techstream operation.

   HINT: 

   If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step. Refer to PROBLEM SYMPTOMS TABLE [08/2013 - ] .

NG → See step   6 

OK → See step   5