Toyota RAV4 manuals

Toyota Sienna Service Manual: Indicator Circuit

DESCRIPTION

The indicator displays the location of the obstacle and the approximate distance between the vehicle and the obstacle either by blinking or turning on.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER AMPLIFIER)

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER AMPLIFIER)

  1. Disconnect the connectors from the clearance warning ECU C9 and air conditioner amplifier connector A10 or A11.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

2 INSPECT INDICATOR

INSPECT INDICATOR

  1. Remove the integration control & panel assembly with the connectors being connected.
  2. Using a service wire, ground each terminal of the integration control & panel assembly connector.
  3.  Turn the ignition switch ON.
  4.  Check that each LED comes on.

INSPECT INDICATOR

Result

Result

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

3 INSPECT PRINTED WIRE INTEGRATION BOARD SUB-ASSEMBLY

  1. Check the malfunction disappears when a known good printed wire integration board sub-assembly is installed

OK: Malfunction disappears.

REPLACE PRINTED WIRE INTEGRATION BOARD SUB-ASSEMBLY

4 INSPECT INTEGRATION PANEL SUB-ASSEMBLY

  1. Check that the malfunction disappears when a known good integration panel sub-assembly is installed.

OK: Malfunction disappears

REPLACE INTEGRATION PANEL SUB-ASSEMBLY

No. 2 Clearance Warning Buzzer Circuit
DESCRIPTION The clearance warning ECU receives the ultrasonic sensor signal to sound the rear warning buzzer. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK HARNESS AND CONNECTOR (CLEARANCE WAR ...

Horn
...

Other materials:

DTC check / clear
1. DTC CHECK (USING SST CHECK WIRE) Check the DTCs (Present trouble code).  Turn the ignition switch ON, and wait for approximately 60 seconds.  Using SST, connect terminals TC and CG of the DLC3. SST 09843-18040 NOTICE: Connect the terminals to the correct positi ...

Heated steering wheel/seat heaters
Heated steering wheel and seat heaters heat the side grips of the steering wheel and seats, respectively. WARNING Care should be taken to prevent injury if anyone in the following categories comes in contact with the steering wheel and seats when the heater is on: ...

Meter Illumination is Always Dark
DESCRIPTION  Confirm that the vehicle is equipped with the optitron meter, then check this circuit. The combination meter assembly receives a auto dimmer signal from the body ECU by the multiplex communication line. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK MULTIPLEX CO ...

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