Inspection Procedure

1. Check the battery voltage.

   Standard voltage: 

   11 to 14 V 

NG: INSPECT CHARGING SYSTEM 

OK: Go to next step 

1. Remove the IGN fuse from the driver side J/B.
2. Check the IGN fuse.

   Standard resistance: 

   Below 1 Ω 

NG: REPLACE IGN FUSE 

Fig 1: Identifying IGN Fuse

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Install the IGN fuse.
2. Disconnect the skid control ECU (S38) connector.
3. Turn the ignition switch to the ON position.
4. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   S38-1 (IG2) - Body ground	Ignition switch ON	10 to 14 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (IG2 CIRCUIT) 

Fig 2: Inspecting Skid Control ECU (IG2 Terminal)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Disconnect the skid control ECU connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   S37-1 (GND1) - Body ground	Below 1 Ω
   S37-32 (GND2) - Body ground	Below 1 Ω
   S38-4 (GND3) - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (GND CIRCUIT) 

Fig 3: Inspecting Skid Control ECU (GND Terminal)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Clear the DTC (See DTC CHECK/CLEAR  ).
2. Check if the same DTC is detected (See DTC CHECK/CLEAR  ).

   HINT:

   Reinstall the sensors, connectors, etc and restore the previous vehicle conditions before rechecking for DTCs.

   Result 

   RESULT CHART
   
   

   Condition	Proceed to
   DTC is output	A
   DTC is not output	B

B: END 

A: REPLACE MASTER CYLINDER SOLENOID