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Contents Section: Suspension Control Systems All sections

Adaptive Variable Suspension System (Diagnostics Codes & Circuit Tests): Other Lexus GS III рестайлинг

PROCEDURE

  1. CHECK FOR DTC Check if a CAN communication DTC other than C1761 is output. Refer to «DTC CHECK / CLEAR»(ref-386964-S15748959292011022400000) . RESULT Result Proceed to Only C1761 is output A CAN communication DTC is output B B --> See next step A --> REPLACE ABSORBER CONTROL ECU
  2. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-387091-S16670403232011022400000)
  1. CHECK FOR DTC Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-386964-S15748959292011022400000) . Turn the power switch OFF. Turn the power switch ON (IG) again and check that no CAN communication system DTC is output. Turn the power switch ON (READY). Drive the vehicle and turn the steering wheel to the right and left at a speed of 24 mph (35 km/h), and check which DTC is output. Refer to «DTC CHECK / CLEAR»(ref-386964-S15748959292011022400000) . RESULT Result Proceed to Only C1773 is output A CAN communication DTC is output B B --> See step 3 A --> See next step
  2. CHECK VGRS SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-386975-S42856375492011022400000)
  3. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-387091-S16670403232011022400000)
  1. CHECK FOR DTC Check if any speed sensor DTCs (Brake control system trouble code: C0200/31, C0205/32, C0210/33, C0215/34, C1235/35, C1236/36, C1238/38, C1239/39) or a CAN communication DTC (U0122) is output together with DTC C1776. RESULT Result Proceed to Only DTC C1776 is output A Speed sensor DTC is output (Brake control system trouble code) B CAN communication DTC is output C C --> See step 7 B --> See step 4 A: Go to next step
  2. READ VALUE USING TECHSTREAM (VEHICLE SPEED) Connect Techstream to the DLC3. Turn the power switch on and turn the Techstream main switch on. Select "DATA LIST" mode on Techstream. Refer to «DATA LIST / ACTIVE TEST»(ref-386964-S13571368592011022400000) . ABSORBER CONTROL ECU Item Measurement Item/ Range (Display) Normal Condition Diagnostic Note Vehicle Speed Vehicle speed reading / min.: 0 km/h (0 mph), max: 255 km/h (158 mph) Actual wheel speed Speed indicated on speedometer Check that there is no difference between the speed value output from the skid control ECU displayed on Techstream and the speed value displayed on the speedometer when driving the vehicle. OK The speed value output from the skid control ECU displayed on Techstream is the same as the actual vehicle speed. NG --> See step 5 OK: Go to next step
  3. RECONFIRM DTC Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-386964-S15748959292011022400000) . Perform a road test. Check if the same DTC is recorded. Refer to «DTC CHECK / CLEAR»(ref-386964-S15748959292011022400000) . RESULT Result Proceed to DTC is output A DTC is not output (When troubleshooting in accordance with the PROBLEM SYMPTOMS TABLE) B DTC is not output C C --> END B --> See step 6 A --> REPLACE ABSORBER CONTROL ECU
  4. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-386974-S06384688152011022400000)
  5. CHECK BRAKE CONTROL SYSTEM (SPEED SENSOR SIGNAL). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-386964-S02347476172011022400000)
  6. PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-386964-S11539330432011022400000)
  7. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-387091-S16670403232011022400000)
  1. CHECK DTC Clear the DTC. Refer to «DTC CHECK / CLEAR»(ref-386964-S15748959292011022400000) . Check for DTC. OK DTC is not output. OK --> END NG --> See next step
  2. GO TO THE APPROPRIATE CAN COMMUNICATION SERVICE INFORMATION. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-387091-S07682503522011022400000)
  1. CHECK FOR DTC Check for DTC. Refer to «DTC CHECK / CLEAR»(ref-386964-S15748959292011022400000) . RESULT Result Proceed to DTC is not output A DTC is output B B --> See step 6 A: Go to next step
  2. PERFORM TEST MODE Perform test mode. Refer to «TEST MODE PROCEDURE»(ref-386964-S34760142652011022400000) . Check if the test mode DTC C1787/87 is output. RESULT Result Proceed to DTC C1787/87 is not output A DTC C1787/87 is output B B --> See step 6 A: Go to next step
  3. CHECK FOR DTC (CAN COMMUNICATION SYSTEM) Check if the CAN communication system DTC is output. Refer to «DTC CHECK / CLEAR»(ref-386964-S15748959292011022400000) . RESULT Result Proceed to DTC is not output A DTC is output B B --> See step 8 A: Go to next step
  4. CHECK FOR DTC (MULTIPLEX COMMUNICATION SYSTEM) Check if the multiplex communication system DTC is output. Refer to «DTC CHECK / CLEAR»(ref-386979-S23958756232011022400000) . RESULT Result Proceed to DTC is not output A DTC is output B B --> See step 9 A: Go to next step
  5. INSPECT COMBINATION METER Check the combination meter. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-387092-S02397406432011022400000) . OK The combination meter is normal. RESULT Result Proceed to OK A OK (when troubleshooting in accordance with the PROBLEM SYMPTOMS TABLE) B NG C C --> REPLACE COMBINATION METER B --> See step 7 A --> REPLACE ABSORBER CONTROL ECU
  6. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-386964-S33924158782011022400000)
  7. PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-386964-S11539330432011022400000)
  8. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-387091-S16670403232011022400000)
  9. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-387091-S16670403232011022400000)
  1. PERFORM TEST MODE Perform test mode. Refer to «TEST MODE PROCEDURE»(ref-386964-S34760142652011022400000) . Check if the test mode DTC C1787/87 is output. RESULT Result Proceed to DTC C1787/87 is not output A DTC C1787/87 is output B B --> See step 5 A: Go to next step
  2. CHECK FOR DTC (CAN COMMUNICATION SYSTEM) Check if the CAN communication system DTC is output. Refer to «DTC CHECK / CLEAR»(ref-386964-S15748959292011022400000) . RESULT Result Proceed to DTC is not output A DTC is output B B --> See step 7 A: Go to next step
  3. CHECK FOR DTC (MULTIPLEX COMMUNICATION SYSTEM) Check if the multiplex communication system DTC is output. Refer to «DTC CHECK / CLEAR»(ref-386979-S23958756232011022400000) . RESULT Result Proceed to DTC is not output A DTC is output B B --> See step 8 A: Go to next step
  4. INSPECT COMBINATION METER Check the combination meter. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-387092-S02397406432011022400000) . OK The combination meter is normal. RESULT Result Proceed to OK A OK (when troubleshooting in accordance with the PROBLEM SYMPTOMS TABLE) B NG C C --> REPLACE COMBINATION METER B --> See step 6 A --> REPLACE ABSORBER CONTROL ECU
  5. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-386964-S33924158782011022400000)
  6. PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE»(ref-386964-S11539330432011022400000)
  7. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-387091-S16670403232011022400000)
  8. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-387091-S16670403232011022400000)