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Home >> Lexus >> 2007 >> RX 350 AWD >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Control >> Air Suspension System >> Data List/Active Test

Data List/Active Test

  1. DATA LIST 
    1. Connect the intelligent tester to DLC3.
    2. Turn the ignition switch to the ON position.
    3. Following the display on the intelligent tester, read the "DATA LIST".
      DATA LIST

      Item Measurement Item/Range (Display) Normal Condition Diagnostic Note
      VEHICLE SPD Vehicle speed reading / min.: 0 km/ (0 mph), max.: 255 km/h (158 mph) Actual vehicle speed Speed indicated on the combination meter
      IG VOLTAGE ECU power supply voltage / min.: 0 V, max.: 255 km/h (158 mph) Actual ECU power supply voltage: 10 to 14 V -
      POWER VOLTAGE +B power source voltage / min.: 0 V, max.: 25.5 V Actual ECU power supply voltage: 10 to 14 V -
      ENGINE SPD Cam position sensor reading / min.: 0 rpm, max.: 25,500 rpm Actual engine speed Speed indicated on the combination meter
      HEIGHT SW DOWN Height control switch (DOWN) / ON or OFF ON: Height control switch while pressing "DOWN" button
      OFF:-
      -
      HEIGHT SW UP Height control switch (UP) / ON or OFF ON: Height control switch while pressing "UP" button
      OFF:-
      -
      HEIGHT SW HOLD Height control OFF switch / ON or OFF ON: Height control OFF switch pressing
      OFF:
      -
      STOP LIGHT SW Stop light switch / ON or OFF ON: Brake pedal depressed
      OFF: Brake pedal released
      -
      ACCESS MODE SW Access mode switch / ON or OFF ON: Access mode switch pressing
      OFF:-
      -
      FR HEIGHT Right front height control sensor reading/min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Min.: -80 mm (-3.15 in.)
      Max.: 80 mm (3.15 in.)
      -
      FL HEIGHT Left front height control sensor reading/min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Min.: -80 mm (-3.15 in.)
      Max.: 80 mm (3.15 in.)
      -
      RR HEIGHT Right rear height control sensor reading/min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Min.: -80 mm (-3.15 in.)
      Max.: 80 mm (3.15 in.)
      -
      RL HEIGHT Left rear height control sensor reading/min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Min.: -80 mm (-3.15 in.)
      Max.: 80 mm (3.15 in.)
      -
      FR ADJUST Right front height control adjust reading / min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Actual height control adjust valve -
      FL ADJUST Left front height control adjust reading / min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Actual height control adjust valve -
      RR ADJUST Right rear height control adjust reading / min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Actual height control adjust valve -
      RL ADJUST Left rear height control adjust reading/min.: -3276.7 mm (-T29.004 in.), max.: 3276.8 (129.007 in.) Actual height control adjust valve -
      FR AFTER ADJUST Right front height control after adjust reading/min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Min.: -10 mm (-0.39 in.)
      Max.: 10 mm (0.39 in.)
      -
      FL AFTER ADJUST Left front height control after adjust reading/min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Min.: -10 mm (-0.39 in.)
      Max.: 10 mm (0.39 in.)
      -
      RR AFTER ADJUST Right rear height control after adjust reading / min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Min.: -10 mm (-0.39 in)
      Max.: 10 mm (0.39 in.)
      -
      RL AFTER ADJUST Left rear height control after adjust reading / min.: -3276.7 mm (-129.004 in.), max.: 3276.8 (129.007 in.) Min.: -10 mm (-0.39 in.)
      Max.: 10 mm (0.39 in.)
      -
      RL SOL Left rear solenoid valve / ON or OFF ON or OFF -
      RR SOL Right rear solenoid valve / ON or OFF ON or OFF -
      FL SOL Left front solenoid valve / ON or OFF ON or OFF -
      FR SOL Right front solenoid valve / ON or OFF ON or OFF -
      EXHAUST SOL Exhaust solenoid valve / ON or OFF ON or OFF -
      MOD2 Mode 2 / ON or OFF 2WD: ON or OFF
      4WD: ON
      -
      MOTOR RELAY AIR SUS relay/ ON or OFF ON: Compressor operated
      OFF: Compressor not operated
      -
      MAIN RELAY Main relay expectation / ON or OFF ON -
      RR WHEEL SPD Right rear wheel speed reading / min.: 0 km/h (o mph), max.: 255 km/h (158 mph) Actual right rear wheel speed Speed indicated on the combination meter
      RL WHEEL SPD Left rear wheel speed reading / min.: 0 km/h (o mph), max.: 255 km/h (158 mph) Actual left wheel speed Speed indicated on the combination meter
      LOW PRS TNK SOL Tank solenoid valve / ON or OFF ON or OFF -
      #CODES Number of DTC recorded /min.: 0, max.: 255 Min.: 0, Max.: - -
  2. ACTIVE TEST 
    1. Connect the intelligent tester to DLC3.
    2. Turn the ignition switch to the ON position.
    3. Following the display on intelligent tester, perform the "ACTIVE TEST".
      ACTIVE TEST LIST

      Item Vehicle Condition / Test Details Diagnostic Note
      FR UP & DOWN Right front / UP or DOWN -
      FL UP & DOWN Left front /UP or DOWN -
      RR UP & DOWN Right rear / UP or DOWN -
      RL UP & DOWN Left rear / UP or DOWN -
      FR SOL Turn OFF right front solenoid valve one second after turning it ON Operation of solenoid (clicking sound) can be heard
      FL SOL Turn OFF left front solenoid valve one second after turning it ON Operation of solenoid (clicking sound) can be heard
      RR SOL Turn OFF right rear solenoid valve one second after turning it ON Operation of solenoid (clicking sound) can be heard
      RL SOL Turn OFF left rear solenoid valve one second after turning it ON Operation of solenoid (clicking sound) can be heard
      MOTOR RELAY AIR SUS relay / ON or OFF Operation of solenoid (clicking sound) can be heard
      LOW PRS TNK SOL Turn tank solenoid valve / ON or OFF Operation of solenoid (clicking sound) can be heard