Inspection Procedure

OK: 

Voltage: 10--14 V 

NG : INSPECT CHARGING SYSTEM 

OK : GO TO NEXT STEP 

IN CASE OF USING HAND-HELD TESTER: 

1. Check the voltage condition output from the ECU displayed on the hand-held tester.

   OK: 

   "Normal" is displayed. 

IN CASE OF NOT USING HAND-HELD TESTER: 

1. Remove the skid control ECU with connectors still connected.
2. Turn the ignition switch ON.
3. Measure voltage between terminals IG1 and GND of skid control ECU.

   OK: 

   Voltage: 10--14 V 

NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 1: Inspecting Skid Control ECU Terminal Voltage (IG1 Terminal)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : GO TO NEXT STEP 

1. Remove the skid control ECU with connectors still connected.
2. Turn the ignition switch ON.
3. Measure voltage between terminals FR+, FL+, RR+ and RL+ and GND of skid control ECU.

   OK: 

   Voltage: 9--14 V 

NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 2: Inspecting Skid Control ECU Terminal Voltage (FR+, FL+, RR+, RL+ Terminal)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : CHECK AND REPLACE SKID CONTROL ECU ASSY