Step b - In Case Of Not Using Hand-Held Tester, Check The DTC Of ABS & BA & TRAC & VSC ECU.

WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

Using SST, connect terminals Tc and E1 of the DLC1 or Tc and CG of the DLC3. SST 09843-18020 or 09843-18040.

Fig 1: Locating Terminals Tc & E1 Of DLC1 Or Tc & CG Of DLC3
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Turn the ignition switch ON.

NOTE:

If no code appears, inspect the diagnostic circuit, ABS warning light circuit or VSC waning light circuit.

Ts, ABS & VSC CIRCUIT INSPECTION

Trouble Area	Refer To
Ts Terminal	Tc TERMINAL CIRCUIT
ABS Warning Light	ABS WARNING LIGHT CIRCUIT
VSC Warning Light	VSC WARNING LIGHT CIRCUIT

As an example, the blinking patterns for normal code and codes 11 and 21 are shown in Fig 2.

Fig 2: Reading DTCs Output By Flashes Of Cruise Indicator Light
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Read the DTC from the ABS warning light and VSC warning light on the combination meter.
Codes are explained in DIAGNOSTIC TROUBLE CODE CHART .
After completing the check, disconnect terminals Tc and E1 of the DLC1 or Tc and CG of the DLC3, and turn off the display.

Fig 3: Locating Terminals Tc & E1 Of DLC1
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If 2 or more malfunction codes are identified at the same time, the lowest numbered DTC will be displayed 1st.