2003 LEXUS LS430 Factory Repair Manual

Page 1313 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 105: 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)

Page 1314 of 4500

LEXUS LS430 2003  Factory Repair Manual 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. 106: Identi

Page 1315 of 4500

LEXUS LS430 2003  Factory Repair Manual NG: REPAIR OR REPLACE STEERING SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, 
CAN-L)  
26.CONNECT CONNECTOR 
a. Reconnect the CAN main bus line connector (J45) to the P-CAN J/C A side (w/earth terminal).

Page 1316 of 4500

LEXUS LS430 2003  Factory Repair Manual a. Disconnect the CAN main bus line connector (J49) from the LUG-CAN J/C A side (w/earth 
terminal). 
Fig. 108: Identifying DLC3 Connector terminals
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b.

Page 1317 of 4500

LEXUS LS430 2003  Factory Repair Manual OK: Go to step 38  
NG: GO TO NEXT STEP  
28.CONNECT CONNECTOR 
a. Reconnect the CAN main bus line connector (J49) to the LUG-CAN J/C A side (w/earth terminal). 
29.CHECK CAN BUS LINES FOR SHORT CIRCU

Page 1318 of 4500

LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the distance control ECU sub bus line connector (J48) from the P-CAN J/C B side (w/o 
earth terminal). 
Fig. 110: Identifying DLC3 Connector

Page 1319 of 4500

LEXUS LS430 2003  Factory Repair Manual OK: Go to step 34  
NG: GO TO NEXT STEP  
30.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).  
31.CHECK CAN BUS LIN

Page 1320 of 4500

LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the yaw rate sensor sub bus line connector (J44) from the P-CAN J/C A side (w/earth 
terminal). 
Fig. 112: Identifying DLC3 Connector termina