Identifying condition LEXUS LS430 2003 Factory Repair Manual
Page 1418 of 4500
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
Page 1421 of 4500
Fig. 209: 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 28
NG: GO TO NEXT STEP
26.CONNECT CONNECTOR
a. Reconnect the distance control ECU sub bus line connector (J48) to the P-CAN J/C B side (w/o
earth terminal).
27.CHECK CAN BUS LINE FOR SHORT TO +B (YAW RATE SENSOR 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
Page 1423 of 4500
Fig. 211: 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: REPLACE YAW RATE SENSOR (SEE REPLACEMENT
)
NG: REPAIR OR REPLACE YAW RATE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H,
CAN-L)
28.CONNECT CONNECTOR
a. Reconnect the distance control ECU sub bus line connector (J48) to the P-CAN J/C B side (w/o
earth terminal).
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
Page 1424 of 4500
29.CHECK CAN BUS LINE FOR SHORT TO +B (DISTANCE CONTROL ECU SUB BUS LINE)
Fig. 212: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the distance control ECU connector (D2).
b. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
NG: REPAIR OR REPLACE DISTANCE CONTROL ECU SUB BUS LINE OR CONNECTOR
(CAN-H, CAN-L)
OK: REPLACE DISTANCE CONTROL ECU ASSY (SEE REPLACEMENT
)
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
Page 1429 of 4500
Fig. 217: Identifying DLC3 Connector terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. Measure the resistance according to the value (s) in the table below.
Standard:
DLC3 CONNECTOR TERMINALS RESISTANCE
NG: REPAIR OR REPLACE DLC3 SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
OK: GO TO NEXT STEP
2.CONNECT CONNECTOR
a. Reconnect the DLC3 sub bus line connector (J42) to the D-CAN J/C B side (w/o earth terminal).
Tester connectionConditionSpecified value
D1-6 (CANH) D1-4 (CG)Ignition Switch OFF1 Mohms or more
D1-14 (CANL) D1-4 (CG)Ignition Switch OFF1 Mohms or more
Page 1431 of 4500
Fig. 219: 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 26
NG: GO TO NEXT STEP
4.CONNECT CONNECTOR
a. Reconnect the CAN main bus line connector (J45) to the P-CAN J/C A side (w/earth terminal).
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
Page 1433 of 4500
Fig. 221: 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 16
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
Page 1435 of 4500
Fig. 223: 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
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
Page 1437 of 4500
Fig. 225: 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 20
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
Page 1439 of 4500
Fig. 227: 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 22
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