2003 LEXUS LS430 Factory Repair Manual

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Page 2193 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 17: Identifying Rear Door ECU Terminals (LH) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. a. Disconnect the R13 and R36 ECU connectors. b. Measure the voltage and resistance of the wire harne

Page 2194 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 19: Rear Door ECU Terminals Reference Chart (LH) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. If the result is not as specified, the ECU may have a malfunction. 4.REAR DOOR ECU RH Fig. 20: Id

Page 2195 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 21: Rear Door ECU Terminals Reference Chart (RH) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. If the result is not as specified, there may be a malfunction on the wire harness side. c. Reconne

Page 2196 of 4500

LEXUS LS430 2003 Factory Repair Manual DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. HINT: Fig. 23: Identifying DLC3 Connector Terminals Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. Connect the cable of the hand-held

Page 2197 of 4500

LEXUS LS430 2003 Factory Repair Manual 3.INSPECT BATTERY VOLTAGE Standard: 11 to 14 V If voltage is below 11 V, recharge the battery before proceeding. 1.CHECK DTC a. Connect the hand-held tester to the Controller Area Network Vehicle

Page 2198 of 4500

LEXUS LS430 2003 Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 2.CLEAR DTC a. Connect the hand-held tester to the Controller Area Network Vehicle Interface Module (CAN VIM). Then connect the CAN VIM to the DLC3. b.

Page 2199 of 4500

LEXUS LS430 2003 Factory Repair Manual If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the table below. DIAGNOSTIC TROUBLE CODE CHART Fig. 25: Diagnostic Trouble Code Information Chart

Page 2200 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 26: Door Closer Motor Malfunction On Driver Side Door - Description Chart Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. WIRING DIAGRAM Fig. 27: Door Closer Motor Malfunction On Driver Side Door
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