Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Door lock / Key reminder warning system / How to proceed with troubleshooting

HINT:

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS

3 INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  1. Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.

Result

Result

4 PROBLEM SYMPTOMS TABLE

Result

Result

5 OVERALL ANALYSIS AND TROUBLESHOOTING

  1. Terminals of ECU.
  2. DATA LIST/ACTIVE TEST

6 REPAIR OR REPLACE

7 CONFIRMATION TEST

END

Key reminder warning system
Parts location System description 1. KEY REMINDER WARNING SYSTEM DESCRIPTION  When the driver side door is opened with the ignition key in the ACC or LOCK position, this system caus ...

Operation check
1. REMOVE CHECK FUNCTION  Check that the key reminder warning buzzer sounds.  With the driver side door closed, insert the key into the ignition key cylinder and then turn the ...

Other materials:

Distance Control ECU Power Source Circuit
DESCRIPTION This circuit provides power to operate the distance control ECU. The distance control ECU determines information about the vehicle in front based on data from the laser sensor, and then decides how much acceleration and/or deceleration is needed to maintain the set distance. The ...

Starter Relay Circuit High
MONITOR 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 il ...

Driving assist systems
To help enhance driving safety and performance, the following systems operate automatically in response to various driving situations. Be aware, however, that these systems are supplementary and should not be relied upon too heavily when operating the vehicle. ABS (Anti-lock Brake System) Help ...

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