2003 LEXUS LS430 Identifying condition

Fig. 43: Identifying Height Control Sensor Front RH Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HEIGHT CONTROL SENSOR FRONT LH: (C1712)
a. Measure the resistance according to the value (s) in the table below.
TESTER CONNECTION STANDARD SPECIFIED CONDITION
RESULT DESCRIPTION
OKA
NGB
Tester ConnectionSpecified Condition
1 (SHB) - 4 (SHG)3.0 to 5.6 Kohms
1 (SHB) - 2 (SHFL)0.4 to 3.9 Kohms
OKA
NGC

Fig. 44: Identifying Height Control Sensor Front LH Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HEIGHT CONTROL SENSOR REAR RH: (C1713)
a. Measure the resistance according to the value (s) in the table below.
TESTER CONNECTION STANDARD SPECIFIED CONDITION
RESULT DESCRIPTION
Tester ConnectionSpecified Condition
1 (SHB) - 3 (SHG)3.0 to 5.6 Kohms
2 (SHRR) - 1 (SHB)0.4 to 3.9 Kohms
OKA
NGD

Fig. 45: Identifying Height Control Sensor Rear RH Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HEIGHT CONTROL SENSOR REAR LH: (C1714)
a. Measure the resistance according to the value (s) in the table below.
TESTER CONNECTION STANDARD SPECIFIED CONDITION
RESULT DESCRIPTION
Tester ConnectionSpecified Condition
1 (SHG) - 3 (SHB)3.0 to 5.6 Kohms
2 (SHRL) - 3 (SHB)0.4 to 3.9 Kohms
OKA
NGE

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (FRONT RH)
Fig. 52: Identifying Height Control Sensor Connector Terminals

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (REAR)
Tester ConnectionSpecified Condition
A20-20 (SBR1) - H14-1 (SHB)Below 1 ohms
A20-21 (SGR1) - H14-4 (SHG)Below 1 ohms
A22-29 (SGFL) - H14-3 (SGFR)Below 1 ohms
A20-20 (SBR1) - Body ground10 Kohms or higher
A20-21 (SGR1) - Body ground10 Kohms or higher
A22-29 (SGFL) - Body ground10 Kohms or higher
Tester ConnectionSpecified Condition
A22-12 (SGR3) - A32-2 (GGND)Below 1 ohms

Fig. 56: Identifying Absorber Control Actuator LH Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (FRONT LH)
Tester ConnectionSpecified Condition
1 (FBL+) - 3 (GND)12.0 to 12.8 ohms
2 (FAL+) - 3 (GND)12.0 to 12.8 ohms
3 (GND) - 4 (FBL-)12.0 to 12.8 ohms
3 (GND) - 5 (FAL-)12.0 to 12.8 ohms

Fig. 57: Identifying Absorber Control Actuator RH Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (REAR RH)
Tester ConnectionSpecified Condition
1 (RBR+) - 3 (ERR)12.0 to 12.8 ohms
2 (RAR+) - 3 (ERR)12.0 to 12.8 ohms
3 (ERR) - 4 (RBR-)12.0 to 12.8 ohms
3 (ERR) - 5 (RAR-)12.0 to 12.8 ohms

Fig. 58: Identifying Absorber Control Actuator Rear RH Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (REAR LH)
Tester ConnectionSpecified Condition
1 (RBL+) - 3 (ERL)12.0 to 12.8 ohms
2 (RAL+) - 3 (ERL)12.0 to 12.8 ohms
3 (ERL) - 4 (RBL-)12.0 to 12.8 ohms
3 (ERL) - 5 (RAL-)12.0 to 12.8 ohms

Fig. 59: Identifying Absorber Control Actuator Rear LH Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPLACE ABSORBER CONTROL ACTUATOR
OK:Go to next step
3.CHECK HARNESS AND CONNECTOR (ABSORBER CONTROL ACTUATOR - SUSPENSION
CONTROL ECU) (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE
)
a. Disconnect the air suspension ECU A21 or A22 connector.
b. Measure the resistance according to the value (s) in the table below.
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (FRONT RH)
Tester ConnectionSpecified Condition
A21-1 (FAR+) - S6-2 (FAR+)Below 1 ohms
A21-2 (FAR-) - S6-5 (FAR-)Below 1 ohms
A21-3 (FBR+) - S6-1 (FBR+)Below 1 ohms
A21-4 (FBR-) - S6-4 (FBR-)Below 1 ohms
A21-1 (FAR+) - Body ground10 Kohms or higher