Contents Wiring diagrams Section: Electronic Suspension All sections

Electronic Suspension: Overview Lexus ES XV30

Electronic Suspension 1 illustration ~203 words

DESCRIPTION

WARNINGVehicles are equipped with air bag supplemental restraint system. Before attempting any repairs involving steering column, instrument panel or related components, see SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEMS article.
CAUTIONWhen battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

The electronically modulated suspension controls damping force of shock absorber automatically according to driving conditions and setting of absorber control switch. In response to system, acceleration sensors that detect vertical movement of vehicle have been added to front and back of vehicle.

OPERATION

The absorber control switch on center console has four positions so strength of damping force can be selected according to driver's desire. (Scheme 3)

Scheme 3

Scheme 3: OPERATION

Code Description

  1. DTC C1715/15 - Right Front Acceleration Sensor Circuit
  2. DTC C1716/16 - Left Front Acceleration Sensor Circuit
  3. DTC C1717/17 - Rear Acceleration Sensor Circuit
  4. DTC C1791/91 - Right Front Acceleration Sensor Circuit
  5. DTC C1792/92 - Left Front Acceleration Sensor Circuit
  6. DTC C1793/93 - Rear Acceleration Sensor Circuit
  1. DTC C1725/21 - Right Front Absorber Control Actuator Circuit
  2. DTC C1726/22 - Left Front Absorber Control Actuator Circuit
  3. DTC C1727/23 - Right Rear Absorber Control Actuator Circuit
  4. DTC C1728/24 - Left Rear Absorber Control Actuator Circuit
  1. DTC C1774/74 - Power Source Circuit
  1. DTC C1776/76 & C1794/94 - Right Front Speed Sensor Circuit
  1. DTC 1777/77 - Steering Angle Sensor Circuit
  1. DTC C1779/79 & C1797/97 - Crankshaft Position Sensor Circuit
  1. DTC 1782/82 - Stop Light Switch Circuit
  1. DTC C1787/87 - Absorber Control Switch Circuit