Toyota RAV4 manuals

Toyota RAV4 Service Manual: Starter relay circuit high

Toyota RAV4. Starter relay circuit high


Description

While the engine is being cranked, the positive battery voltage is applied to terminal sta of the ecm. If the ecm detects the starter control (sta) signal while the vehicle is being driven, it determines that there is a malfunction in the sta circuit. The ecm then illuminates the mil and sets the dtc.

This monitor runs when the vehicle is driven at 20 km/h (12.4 Mph) for over 20 seconds.

Toyota RAV4. Starter relay circuit high


Monitor strategy

Toyota RAV4. Monitor strategy


Typical enabling conditions

Toyota RAV4. Typical enabling conditions


Typical malfunction thresholds

Toyota RAV4. Typical malfunction thresholds


Wiring diagram

Toyota RAV4. Wiring diagram


Inspection procedure

Hint:

  1. Read value using intelligent tester (starter signal)

  1. Connect the intelligent tester to the dlc3.
  2. Turn the ignition switch on and turn the tester on.
  3. Select the following menu items: diagnosis / enhanced obd ii / data list / primary / starter sig.
  4. Check the value displayed on the tester when the ignition switch is turned to the on and start positions.

Toyota RAV4. Read value using intelligent tester (starter signal)


  1. Inspect park/neutral position switch assembly

  1. Disconnect the b26 pnp switch connector.
  2. Measure the resistance when the transmission gear selector lever is moved to each position.

Standard resistance


  1. Reconnect the pnp switch connector.



  1. Replace park/neutral position switch assembly


  1. Read value using intelligent tester (starter signal)

  1. Connect the intelligent tester to the dlc3.
  2. Turn the ignition switch on and turn the tester on.
  3. Select the following menu items: diagnosis / enhanced obd ii / data list / primary / starter sig.
  4. Check the value displayed on the tester when the ignition switch is turned to the on and start positions.

Toyota RAV4. Read value using intelligent tester (starter signal)


Toyota RAV4. Read value using intelligent tester (starter signal)




  1. Inspect ignition or starter switch assembly

  1. Disconnect the e3 ignition switch connector.
  2. Check the resistance.

Standard resistance


  1. Reconnect the ignition switch connector.



  1. Replace ignition or starter switch assembly


  1. Read value using intelligent tester (starter signal)

  1. Connect the intelligent tester to the dlc3.
  2. Turn the ignition switch on and turn the tester on.
  3. Select the following menu items: diagnosis / enhanced obd ii / data list / primary / starter sig.
  4. Check the value displayed on the tester when the ignition switch is turned to the on and start positions.

Toyota RAV4. Read value using intelligent tester (starter signal)




  1. Repair or replace harness or connector (pnp switch - sta terminal of ecm)


  1. Check whether dtc output recurs

  1. Connect the intelligent tester to the dlc3.
  2. Turn the ignition switch on.
  3. Turn the tester on.
  4. Clear dtcs (see page es-35).
  5. Drive the vehicle at more than 20 km/h (12.43 Mph) for over 20 seconds.
  6. Select the following menu items: diagnosis / enhanced obd ii / dtc info / current codes.
  7. Read dtcs.

Toyota RAV4. Check whether dtc output recurs


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Other materials:

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How to proceed with troubleshooting
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Installation
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