Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CAN COMMUNICATION SYSTEM

Check if the CAN communication system DTC is output (See DIAGNOSIS SYSTEM ).

Result

RESULT CHART

Result	Proceed to
DTC not output	A
DTC output	B

B: REPAIR CAN COMMUNICATION SYSTEM (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: Go to next step

CHECK CONNECTOR CONNECTION CONDITION
1. Check the skid control ECU connector condition.
  OK:
  
  The connector is securely connected.
NG: CONNECT CONNECTOR CORRECTLY

OK: Go to next step

PERFORM ACTIVE TEST USING TECHSTREAM (ABS WARNING LIGHT)

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the tester on.

Select the following menu items: Body / Combination Meter / Active Test.

ACTIVE TEST: Combination Meter

COMBINATION METER ACTIVE TEST REFERENCE

Tester Display	Test Part	Diagnostic Notes
Indicate Lamp ABS	Turns ABS warning light ON or OFF	Observe combination meter

Check that the ABS warning light turns on and off in the combination meter using the Techstream.

OK:

The ABS warning light turns ON and OFF in accordance with the Techstream operation.

HINT:

When the ABS warning light remains illuminated, an open in the wire harness of the combination meter or abnormalities in the meter circuit should be considered.

Result

RESULT CHART

Result	Proceed to
OK	A
NG (Hatchback)	B
NG (Sedan)	C

B: CHECK COMBINATION METER CIRCUIT (for Hatchback) (See TERMINALS OF ECU )

C: CHECK COMBINATION METER CIRCUIT (for Sedan) (See TERMINALS OF ECU )

A: REPLACE BRAKE ACTUATOR (See REMOVAL )