2003 LEXUS LS430 Control actuator

OK: REPLACE SKID CONTROL ECU WITH ACTUATOR (SEE REPLACEMENT )
NG: REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-
H, CAN-L)
24.CONNECT CONNECTOR
a. Reconnect the steering sensor sub bus line connector (J43) to the D-CAN J/C B side (w/o earth
terminal).
25.CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING SENSOR SUB BUS LINE)
Fig. 145: Identifying DLC3 Connector terminals

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the steering sensor connector (S16).
b. Measure the resistance according to the value (s) in the table below.
Standard:
D1-6 (CANH) - D1-14 (CANL)Ignition Switch OFF54 to 69 ohms

Fig. 164: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
OK: Go to step 18
NG: GO TO NEXT STEP
10.CONNECT CONNECTOR
a. Reconnect the ECM sub bus line connector (J40) to the D-CAN J/C B side (w/o earth terminal).
11.CHECK CAN BUS LINE FOR SHORT TO +B (SKID CONTROL ECU WITH ACTUATOR SUB
BUS LINE)
Tester connectionConditionSpecified value
D1-6 (CANH) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
D1-14 (CANL) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more

OK: REPLACE SKID CONTROL ECU WITH ACTUATOR (SEE REPLACEMENT )
NG: REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-
H, CAN-L)
22.CONNECT CONNECTOR
a. Reconnect the steering sensor sub bus line connector (J43) to the D-CAN J/C B side (w/o earth
terminal).
23.CHECK CAN BUS LINE FOR SHORT TO +B (STEERING SENSOR SUB BUS LINE)
Fig. 173: Identifying DLC3 Connector terminals

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the steering sensor connector (S16).
b. Measure the resistance according to the value (s) in the table below.
Standard:
D1 -14 (CANL) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more

Fig. 198: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
OK: Go to step 18
NG: GO TO NEXT STEP
10.CONNECT CONNECTOR
a. Reconnect the ECM sub bus line connector (J40) to the D-CAN J/C B side (w/o earth terminal).
11.CHECK CAN BUS LINE FOR SHORT TO +B (SKID CONTROL ECU WITH ACTUATOR SUB
BUS LINE)
Tester connectionConditionSpecified value
D1-6 (CANH) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more
D1-14 (CANL) - D1-16 (BAT)Ignition Switch OFF1 Mohms or more

OK: REPLACE SKID CONTROL ECU WITH ACTUATOR
NG: REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-
H, CAN-L)
22.CONNECT CONNECTOR
a. Reconnect the steering sensor sub bus line connector (J43) to the D-CAN J/C B side (w/o earth
terminal).
23.CHECK CAN BUS LINE FOR SHORT TO +B (STEERING SENSOR SUB BUS LINE)
Fig. 207: Identifying DLC3 Connector terminals

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the steering sensor connector (S16).
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
Tester connectionConditionSpecified value

NG: GO TO NEXT STEP
10.CONNECT CONNECTOR
a. Reconnect the ECM sub bus line connector (J40) to the D-CAN J/C B side (w/o earth terminal).
11.CHECK CAN BUS LINE FOR SHORT TO GND (SKID CONTROL ECU WITH ACTUATOR
SUB BUS LINE)
Fig. 226: Identifying Skid Control ECU Sub Bus Line Connector (J41)

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the skid control ECU sub bus line connector (J41) from the D-CAN J/C (w/o earth
terminal).

Fig. 235: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the skid control ECU connector (S42).
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
OK: REPLACE SKID CONTROL ECU WITH ACTUATOR (SEE REPLACEMENT
)
NG: REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-
H, CAN-L)
24.CONNECT CONNECTOR
Tester connectionConditionSpecified value
D1-6 (CANH) D1-4 (CG)Ignition Switch OFF1 kohms or more
D1-14 (CANL) D1-4 (CG)Ignition Switch OFF1 kohms or more

Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
OK: REPLACE SKID CONTROL ECU WITH ACTUATOR (SEE REPLACEMENT
)
NG: REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-
H, CAN-L)
24.CONNECT CONNECTOR
a. Reconnect the steering sensor sub bus line connector (J43) to the D-CAN J/C B side (w/o earth
terminal).
25.CHECK CAN BUS LINE FOR SHORT TO GND (STEERING SENSOR SUB BUS LINE)
Fig. 276: Identifying DLC3 Connector terminals

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Tester connectionConditionSpecified value
D1-6 (CANH) D1-4 (CG)Ignition Switch OFF1 kohms or more
D1-14 (CANL) D1-4 (CG)Ignition Switch OFF1 kohms or more