DTC C1762: Continuous Electric Current to Exhaust Solenoid: Procedure

1. Check if any of the air tubes are clogged.

   OK

   No clogs.

NG → REPAIR OR REPLACE AIR TUBE 

OK: Go to next step 

1. Remove the front height control valve. Refer to REMOVAL .
2. Check the front height control valve RH valve.
   Fig 1: Identifying Front Height Control Valve RH Valve Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Connect terminal 1 (RH+) to the battery positive (+) terminal, and terminal 2 (E) to the battery negative (-) terminal.
   2. Check the operating sound of the height control valve.

      OK

      It makes an operating sound (click).

3. Check the front height control valve LH valve.
   Fig 2: Identifying Front Height Control Valve LH Valve Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Connect terminal 3 (LH+) to the battery positive (+) terminal, and terminal 2 (E) to the battery negative (-) terminal.
   2. Check the operating sound of the height control valve.

      OK

      It makes an operating sound (click).

NG → See step   5 

OK: Go to next step 

1. Remove the rear height control valve. Refer to REMOVAL .
2. Check the rear height control valve RH valve.
   Fig 3: Identifying Rear Height Control Valve RH Valve

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Connect terminal 1 (+RH) to the battery positive (+) terminal, and terminal 2 (E) to the battery negative (-) terminal.
   2. Check the operating sound of the height control valve.

      OK

      It makes an operating sound (click).

3. Check the rear height control valve LH valve.
   Fig 4: Identifying Rear Height Control Valve LH Valve Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Connect terminal 3 (+LH) to the battery positive (+) terminal, and terminal 2 (E) to the battery negative (-) terminal.
   2. Check the operating sound of the height control valve.

      OK

      It makes an operating sound (click).

NG → See step   8 

OK: Go to next step 

1. Remove the height control compressor. Refer to REMOVAL .
2. Inspect if exhaust valve is stuck:
   Fig 5: Inspecting Exhaust Valve

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Connect terminal 1 to the battery positive (+) terminal, and terminal 2 to the battery negative (-) terminal.
   2. Check the operating sound of the height control valve.

      OK

      It makes an operating sound (click).

NG → See step   6 

OK → See step   7