Inspection Procedure

CHECK IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED
NG: CONNECT CONNECTOR TO ECU

OK: Go to next step
RECONFIRM DTC (See DTC CHECK/CLEAR )
DTC OUTPUT RESULT TABLE

A Normal Code

B Malfunction Code

B: REPAIR CIRCUIT INDICATED BY OUTPUT DTC (See DIAGNOSTIC TROUBLE CODE CHART )

A: Go to next step
CHECK VOLTAGE OF ECU IG POWER SOURCE
1. Disconnect the skid control ECU connector.
2. Turn the ignition switch to the ON position.
3. Measure the voltage between terminals 25 and 2 or 24 of the skid control ECU connector.
  Standard:
  
  10 to 14 V
Fig 1: Measuring Voltage Between Skid Control ECU Connector Terminals 25, 2 Or 24
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: CHECK AND REPLACE HARNESS AND CONNECTOR (IG CIRCUIT)

OK: Go to next step
CHECK ABS WARNING LIGHT
In case of using the hand-held tester:
1. Select the "ABS WARN LIGHT" in the ACTIVE TEST and operate the ABS warning light on the hand- held tester.
2. Check that "ON" and "OFF" operation of the ABS warning light can be done on the combination meter by the hand-held tester.
In case of not using the hand-held tester:
1. Disconnect the skid control ECU connector.
2. Using a service wire, connect terminal WA (13) and GND (2 or 24) of the skid control ECU connector.
3. Turn the ignition switch ON.
  OK: ABS warning light goes off.
  
  Fig 2: Connecting Skid Control ECU Connector Terminals 13, 2 Or 24 Using Service Wire
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: CHECK AND REPLACE BRAKE ACTUATOR ASSY (See REPLACEMENT )

NG: CHECK AND REPLACE HARNESS AND CONNECTOR (WA CIRCUIT)

A	Normal Code
B	Malfunction Code