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a. If the skid control ECU detects a malfunction, the ABS, BRAKE, VSC warning (Multi-information
display) and TRAC OFF indicator light will come on in accordance with the trouble area to warn
the driver.
The table below indicates which lights come on when there is a malfunction in a particular function.
Fig. 30: Identifying ABS, BRAKE, VSC warning Lights
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TROUBLE AREA DESCRIPTION
BA (Brake
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HINT:
If no code appears, inspect the diagnostic circuit or ABS warning light circuit.
Fig. 32: Identifying DLC3 Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TROUBLE AREA DESCRIPTION
As an example, the blinking patterns for a normal system code and trouble codes 11
and 21 are shown on the left.
4. Codes are explained in the code table DIAGNOSTIC TROUBLE CODE CHART
.
5. After completing the check, disconnect terminals TC and CG of the DLC3, and turn off the
display.
If 2 or more DTCs are detected at the same time, the DTCs will be displayed in assenting order.
Trouble AreaSee Procedure
TC and CG terminal circuitTC AND CG TERMINAL CIRCUIT
ABS warning light circuitABS WARNING LIGHT CIRCUIT (REMAINS ON)
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SST 09843-18040
2. Turn the ignition switch to the ON position.
3. Read the DTC from multi-information display on the combination meter.
HINT:
At this time, "VSC OK", is displayed when VSC system is in normal condition. If any DTC is
detected, "VSC 31", for example, will be displayed.
If there are 2 or more DTC, DTC will be displayed in ascending order of the number.
If no code appears, inspect the VSC warning information circuit and TC and CG terminal circuit.
Fig. 34: Identifying VSC Position
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TROUBLE AREA REFERENCE
Trouble AreaSee Procedure
TC and CG terminal circuitTC AND CG TERMINAL CIRCUIT
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SST 09843-18040
Fig. 36: Identifying DLC3 Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3. Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.
4. Check that the ABS warning light indicates a normal system code.
5. Remove the SST.
HINT:
Clearin
g the DTCs cannot be performed by removing the battery cable or the ECU-IG fuse
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Fig. 37: Identifying Brake Pedal Position
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5.END OF CHECK/CLEAR
a. Turn the ignition switch to the ON position
b. Check that the ABS warning lamp go off within approximately 3 seconds.
c. Check that "VSC" does not appear on the multi information display.
1.FREEZE FRAME DATA
HINT:
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Fig. 49: Identifying Speed Sensor Connector And Wire Harness Side Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
OK: Go to next step
5.CHECK HARNESS AND CONNECTOR (FRONT SPEED SENSOR - SKID CONTROL ECU)
Fig. 50: Identifying Skid Control ECU Connector And Front Speed Sensor Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the skid control ECU connector and the front speed sensor connector.
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Fig. 57: Identifying Skid Control ECU Connector And Rear Speed Sensor Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the skid control ECU connector and the rear speed sensor connector.
b. Measure the resistance according to the value (s) in the table below.
Standard:
TESTER CONNECTION SPECIFIED CONDITION LH:
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Fig. 64: Identifying ABS 2 Fuse Location
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
