2003 LEXUS LS430 Identifying ac

Fig. 12: Identifying Lug-Can Junction Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. LUG-CAN J/C.
LUG-CAN JUNCTION CONNECTORS COLORS DETAIL
Fig. 13: Identifying Can Junction Connectors
LUG-CAN J/C connectors (A side, w/earth terminal)Color (CAN-H
Side)Color (CAN-L
Side)
Television camera ECULGL
Seat Belt Control ECUBW
CAN main bus line (bus line to connect LUG-CAN J/C and
P-CAN J/C)BW

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. The terminals on connectors for the CAN J/C.
TERMINAL AND TERMINAL SYMBOL
e. WIRING DIAGRAM FOR IDENTIFYING CAN J/C CONNECTORS (w/ LEXUS Navigation
System).
TerminalTerminal symbol
1CANH
2CANL

Fig. 14: Wiring Diagram For Identifying Can J/C Connectors (W/ Lexus Navigation System)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
f. WIRING DIAGRAM FOR IDENTIFYING CAN J/C CONNECTORS
(w/o LEXUS Navigation System).

Fig. 15: Wiring Diagram For Identifying Can J/C Connectors ( (W/O Lexus Navigation
System))
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 16: Identifying DCL3 Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2.DLC3
a. Measure the resistance according to the value (s) in the table below.
Standard:
ECM CONNECTOR TERMINALS RESISTANCE
TerminalsWiring ColorConditionSpecified Condition
D1-6 (CANH) - D1-14 (CANL)B - WIgnition Switch OFF54 to 69 ohms
D1-6 (CANH) - D1-4 (CG)B - W-BIgnition Switch OFF1 kohms or more
D1-14 (CANL) - D1-4 (CG)W - W-BIgnition Switch OFF1 kohms or more
D1-6 (CANH) - D1-16 (BAT)B - BIgnition Switch OFF1 Mohms or more
D1-14 (CANL) - D1-16 (BAT)W - BIgnition Switch OFF1 Mohms or more

Fig. 17: Identifying Skid Control ECU Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3.SKID CONTROL ECU
a. Measure the resistance according to the value (s) in the table below.
Standard:
SKID CONTROL ECU CONNECTOR TERMINALS RESISTANCE
TerminalsWiring ColorConditionSpecified Condition
S42-11 (CANH) - S42-25 (CANL)BR - YIgnition Switch OFF54 to 69 ohms
S42-11 (CANH) - S42-32 (GND1)BR - W-BIgnition Switch OFF1 kohms or more
S42-25 (CANL) - S42-32 (GND1)Y - W-BIgnition Switch OFF1 kohms or more
S42-11 (CANH) - S42-31 (+BS)BR - BIgnition Switch OFF1 Mohms or more
S42-25 (CANL) - S42-31 (+BS)Y - BIgnition Switch OFF1 Mohms or more

Fig. 18: Identifying Steering Sensor Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.STEERING SENSOR
a. Measure the resistance according to the value (s) in the table below.
Standard:
STEERING SENSOR CONNECTOR TERMINALS RESISTANCE
TerminalsWiring ColorConditionSpecified Condition
S16-10 (CANH) - S16-9 (CANL)LG - LIgnition Switch OFF54 to 69 ohms
S16-10 (CANH) - S16-2 (ESS)LG - W-BIgnition Switch OFF1 kohms or more
S16-9 (CANL) - S16-2 (ESS)L - W-BIgnition Switch OFF1 kohms or more
S16-10 (CANH) - S16-3 (BAT)LG - L-YIgnition Switch OFF1 Mohms or more
S16-9 (CANL) - S16-3 (BAT)L - L-YIgnition Switch OFF1 Mohms or more

Fig. 19: Identifying Yaw Rate Sensor Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5.YAW RATE SENSOR
a. Measure the resistance according to the value (s) in the table below.
Standard:
YAW RATE SENSOR CONNECTOR TERMINALS RESISTANCE
TerminalsWiring ColorConditionSpecified Condition
Y1-3 (CANH) - Y1-2 (CANL)BR - YIgnition Switch OFF54 to 69 ohms
Y1-3 (CANH) - Y1-1 (GND)BR - W-BIgnition Switch OFF1 kohms or more
Y1-2 (CANL) - Y1-1 (GND)Y - W-BIgnition Switch OFF1 kohms or more
Y1-3 (CANH) - D1-16 (BAT)BR - BIgnition Switch OFF1 Mohms or more
Y1-2 (CANL) - D1-16 (BAT)Y - BIgnition Switch OFF1 Mohms or more