2003 LEXUS LS430 Factory Repair Manual

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Page 321 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 92: Checking Harness And Connector (A/C Solar Sensor -Air Conditoning Amplifier) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: REPLACE AIR CONDITI

Page 322 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 94: DTC Detection Item Trouble Area Chart Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. WIRING DIAGRAM Fig. 95: Air Inlet Damper Position Sensor Circuit Courtesy of TOYOTA MOTOR SALES, U.S.A.

Page 323 of 4500

LEXUS LS430 2003 Factory Repair Manual a. Connect the hand-held tester to the DLC3. b. Turn the ignition switch to the ON position and push the hand-held tester main switch on. c. Select the items below in the DATA LIST, and read the d

Page 324 of 4500

LEXUS LS430 2003 Factory Repair Manual HINT: As the air inlet servomotor moves from the RECIRC side to the FRESH side, the voltage decreases gradually without interruption. Result: AIR CONDITIONING AMPLIFIER (TPI - SG) TEST RESULT <0

Page 325 of 4500

LEXUS LS430 2003 Factory Repair Manual a. Remove the air inlet servomotor. b. Measure the resistance according to the value (s) in the table below. Standard: AIR INLET SERVOMOTOR RESISTANCE c. Measure the resistance according to the

Page 326 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 97: Inspecting Air Inlet Servomotor Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. NG: REPLACE AIR INLET SERVOMOTOR OK: Go to next step 4.CHECK HARNESS AND CONNECTOR (AIR INLET SERVOMOTOR - A

Page 327 of 4500

LEXUS LS430 2003 Factory Repair Manual A37-19 (SG) - Body groundAlways10 kohms or higher

Page 328 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 98: Checking Harness And Connector (Air Inlet Servomotor - Air Conditioning Amplifier)
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