VSC OFF Indicator Light Remains ON: Procedure

1. Check if a CAN communication system DTC is output. Refer to DIAGNOSIS SYSTEM .

   Result

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

B → See step   9 

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 2AZ-FE)	B
   NG (for 2ZR-FE)	C

C → See step   11 

B → See step   10 

A: Go to next step 

1. Disconnect the skid control ECU connector.
   Fig 1: Identifying Skid Control ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Condition	Switch Condition	Specified Condition
   A66-30 (CSW) - Body ground	VSC OFF switch OFF (Not pressed)	10 kΩ or higher

NG → See step   6 

OK: Go to next step 

1. Reconnect the skid control ECU connector.
2. Perform the Active Test of the combination meter (meter CPU) using the Techstream. Refer to DATA LIST / ACTIVE TEST .
3. Check the combination meter.

   OK

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

   HINT: 

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

NG → See step   12 

OK → See step   8 

1. Disconnect the VSC OFF switch connector.
   Fig 2: Inspecting VSC OFF Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   6 (+) - 3 (E)	Switch is pushed in	Below 25 Ω
   6 (+) - 3 (E)	Switch is not pushed in	10 kΩ or higher

NG → See step   13 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.
   Fig 3: Identifying Skid Control ECU And VSC OFF Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A66-30 (CSW) - E47-6 (+)	Always	Below 1 Ω
   A66-30 (CSW) - Body ground	Always	10 kΩ or higher
   E47-3 (E) - Body ground	Always	Below 1 Ω

   HINT: 

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   8