Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Inspection Procedure
- PERFORM ACTIVE TEST BY TECHSTREAM (SLIP INDICATOR LIGHT)
- Connect Techstream to the DLC3.
- Start the engine.
- Select the "Slip Indicator Light" in the Active Test and operate the SLIP indicator light by Techstream.
ABS/VSC/TRAC:
ABS/VSC/TRAC ACTIVE TEST REFERENCETester Display Test Part Control Range Diagnostic Note Slip Indicator Light SLIP indicator light Indicator light ON/OFF Observe combination meter - Check that "ON" and "OFF" of the SLIP indicator light are indicated on the combination meter when using Techstream.
OK:
Turn the SLIP indicator light on or off in accordance with Techstream.
NG: Go to step 2
OK: REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY
- INSPECT TRACTION CONTROL SWITCH
- Remove the traction control switch.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFIED CONDITIONTester Connection Condition Specified Condition 9 (+) - 6 (E) Pushed in Continuity 9 (+) - 6 (E) Released 10 kΩ or higher
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE TRACTION CONTROL SWITCH
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - TRACTION CONTROL SWITCH)
- Disconnect the traction control switch connector and the skid control ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFIED CONDITIONTester Connection Specified Condition S1-43 (CSW) - T8-9 Below 1 Ω S1-43 (CSW) - Body ground 10 kΩ or higher T8-6 - Body ground Below 1 Ω
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (COMBINATION METER - SKID CONTROL ECU)
- Disconnect the skid control ECU connector and combination meter connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFIED CONDITIONTester Connection Specified Condition C18-3 - S1-34 (IND) Below 1 Ω - Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFIED CONDITIONTester Connection Specified Condition S1-34 (IND) - Body ground 10 kΩ or higher
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- INSPECT COMBINATION METER ASSEMBLY
- Check combination meter assembly (See HOW TO PROCEED WITH TROUBLESHOOTING ).
NG: REPLACE COMBINATION METER ASSEMBLY
OK: REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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