VSC OFF Indicator Light Remains ON [08/2015 - ]: Procedure

1. Check if a CAN communication system DTC is output. Refer to DIAGNOSIS SYSTEM [08/2015 - ] .

   Result

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

B → See step   11 

A: Go to next step 

1. Check if the skid control ECU connector is securely connected.

   OK

   The connector is securely connected.

NG → CONNECT CONNECTOR TO ECU CORRECTLY 

OK: Go to next step 

1. Check the battery voltage.

   Standard Voltage

   11 to 14 V

   Result

   Result	Proceed to
   OK	A
   NG (for 2GR-FE)	B
   NG (for 2AR-FE)	C

B → See step   10 

C → See step   13 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Select the Data List using the Techstream. Refer to DATA LIST / ACTIVE TEST [08/2015 - ] .
   ABS/VSC/TRAC
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   TRAC/VSC Off Mode	TR(A)C/VSC off mode / Normal, TRC OFF, Unknown or VSC OFF	Normal: Normal mode TRC OFF: TR(A)C off mode Unknown: Unspecified VSC OFF: VSC off mode	-

4. Using the Techstream, check that the switch condition displayed on the Techstream changes according to VSC OFF switch operation.

   OK

   The Techstream display changes according to VSC OFF switch operation.

NG → See step   6 

OK: Go to next step 

1. Turn the ignition switch off.
2. Perform an Active Test of the combination meter assembly (meter CPU) using the Techstream. Refer to DATA LIST / ACTIVE TEST [08/2015 - ] .
3. Check the combination meter assembly.

   OK

   The VSC OFF indicator light turns on or off in accordance with the Active Test operation.

   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 parts. Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] .

NG → See step   9 

OK → See step   8 

1. Turn the ignition switch off.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Disconnect the VSC OFF switch connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   6 (+) - 3 (E)	Switch pushed in	Below 1 Ω
   6 (+) - 3 (E)	Switch not pushed in	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (VSC OFF Switch)

NG → See step   12 

OK: Go to next step 

1. Disconnect the skid control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A49-9 (CSW) - I130-6 (+)*1 A94-9 (CSW) - I130-6 (+)*2	Always	Below 1 Ω
   A49-9 (CSW) - Body ground*1 A94-9 (CSW) - Body ground*2	Always	10 kΩ or higher
   I130-3 (E) - Body ground	Always	Below 1 Ω

   *1: for 2AR-FE (w/o Dynamic Radar Cruise Control System)

   *2: for 2AR-FE (w/ Dynamic Radar Cruise Control System), 2GR-FE

   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 parts. Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] .

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   8