2003 LEXUS LS430 Factory Repair Manual

Page 1449 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 LINE FOR SHORT TO GND (STEERING SENSOR SUB BUS LINE) 
Fig. 236: Identify

Page 1450 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 1451 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. 238: Identifying DLC3 Connector terminals
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b.

Page 1452 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 LINE FOR SHORT TO GND

Page 1453 of 4500

LEXUS LS430 2003  Factory Repair Manual a. Disconnect the distance control ECU sub bus line connector (J48) from the P-CAN J/C B side (w/o 
earth terminal). 
Fig. 240: Identifying DLC3 Connector terminals
 
Courtesy of TOYOTA MOTOR SALES, U

Page 1454 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 1455 of 4500

LEXUS LS430 2003  Factory Repair Manual a. Disconnect the yaw rate sensor sub bus line connector (J44) from the P-CAN J/C A side (w/earth 
terminal). 
Fig. 242: Identifying DLC3 Connector terminals
 
Courtesy of TOYOTA MOTOR SALES, U.S.A.,

Page 1456 of 4500

LEXUS LS430 2003  Factory Repair Manual OK: Go to step 36  
NG: GO TO NEXT STEP  
32.CONNECT CONNECTOR 
a. Reconnect the yaw rate sensor sub bus line connector (J44) to the P-CAN J/C A side (w/earth 
terminal).  
33.CHECK CAN BUS LINE FOR S