Toyota RAV4 manuals

Toyota Sienna Service Manual: Key reminder warning system

Toyota Sienna Service Manual / Door lock / Key reminder warning system

Parts location

Parts location

System description

1. KEY REMINDER WARNING SYSTEM DESCRIPTION

  1.  When the driver side door is opened with the ignition key in the ACC or LOCK position, this system causes a buzzer to sound in order to warn the driver that the ignition key has not been removed.
Only Wireless Door Lock Control Function does not Operate
DESCRIPTION The door control receiver receives a signal from the transmitter and sends this signal to the multiplex network body ECU. Then, the multiplex network body ECU controls operation of the ...

How to proceed with troubleshooting
HINT:  Use these procedures to troubleshoot the key reminder warning system.  The intelligent tester should be used in steps 3 and 5. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PRO ...

Other materials:

Freeze frame data
1. DESCRIPTION (a) The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whether the a ...

System description
1. BRIEF DESCRIPTION The CAN (Controller Area Network) is a serial data communication system for real time application. It is a vehicle multiplex communication system which has a high communication speed (500 kbps) and the ability to detect malfunctions. By pairing the CANH and CANL bu ...

Power back door warning buzzer
INSPECTION 1. POWER BACK DOOR WARNING BUZZER Check the resistance of the buzzer. Resistance If the result is not as specified, replace the buzzer. NOTICE: The circuit that causes the buzzer to sounds is built into the back door ECU, not around the buzzer. Directly applying ...

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