LEXUS LS430 2003 Factory Repair Manual

Fig. 23: Identifying Height Control Sensor Sub-Assy Connector Terminals - RH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (Rear RH)
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (REAR LH)
Tester ConnectionSpecified Condition
H31-1 (SHB) - H31-3 (SHG)4.5 to 5.5 V
Tester ConnectionSpecified Condition
H30-1 (SHG) - H30-3 (SHB)4.5 to 5.5 V

Fig. 24: Identifying Height Control Sensor Sub-Assy Connector Terminals - LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: Go to step 4
OK:Go to next step
d.CHECK HARNESS AND CONNECTOR (SUSPENSION CONTROL ECU - HEIGHT
CONTROL SENSOR SUB-ASSY) (SEE ELECTRONIC CIRCUIT INSPECTION
PROCEDURE )
a. Disconnect the suspension control ECU A21 or A22 connector.
b. Measure the resistance according to the value (s) in the table below.

Fig. 25: Identifying Suspension Control ECU Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HEIGHT CONTROL SENSOR FRONT RH: (C1711)
TESTER CONNECTION STANDARD SPECIFIED CONDITION:
Tester ConnectionSpecified Condition
A21-20 (SHFR) - H14-2 (SHFR)Below 1 ohms
A21-20 (SHFR) - Body ground10 Kohms or higher

Fig. 26: Identifying Height Control Sensor Sub-Assy Connector Terminals - RH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HEIGHT CONTROL SENSOR FRONT LH: (C1712)
TESTER CONNECTION STANDARD SPECIFIED CONDITION
Tester ConnectionSpecified Condition
A21-22 (SHFL) - H13-2 (SHFL)Below 1 ohms
A21-22 (SHFL) - Body ground10 Kohms or higher

Fig. 27: Identifying Height Control Sensor Sub-Assy Connector Terminals - LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HEIGHT CONTROL SENSOR REAR RH: (C1713)
TESTER CONNECTION STANDARD SPECIFIED CONDITION
Tester ConnectionSpecified Condition
A22-28 (SHRR) - H31-2 (SHRR)Below 1 ohms
A22-28 (SHRR) - Body ground10 Kohms or higher

Fig. 28: Identifying Height Control Sensor Sub-Assy Connector Terminals RH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HEIGHT CONTROL SENSOR REAR LH: (C1714)
TESTER CONNECTION STANDARD SPECIFIED CONDITION
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK:Go to next step
Tester ConnectionSpecified Condition
A22-30 (SHRL) - H30-2 (SHRL)Below 1 ohms
A22-30 (SHRL) - Body ground10 Kohms or higher

Fig. 29: Identifying Height Control Sensor Sub-Assy Connector Terminals LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
e.INSPECT HEIGHT CONTROL SENSOR SUB-ASSY
HEIGHT CONTROL SENSOR FRONT RH: (C1711)
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) - 4 (SHG)3.0 to 5.6 Kohms
1 (SHB) - 2 (SHFR)0.4 to 3.9 Kohms
OKA
NGB

Fig. 30: Identifying Height Control Sensor Front Connector Terminals RH
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
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. 31: Identifying Height Control Sensor Front Connector Terminals LH
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. 32: 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