Toyota Sienna Service Manual: Door Mirror Foot Light Circuit

DESCRIPTION

When the outer mirror control ECU receives the signal(s) from the body ECU through BEAN communication, it illuminates the foot light. The foot light is installed on the bottom of the outer rear view mirror and comes on or does off according to the following conditions.

The light comes on when:

•  Doors are unlocked by wireless operation.
•  The driver's door is manually unlocked with the shift lever is in the P position or the ignition off. (Both driver's and passenger's side come on.)

The light goes off when:

•  Doors are locked by wireless operation.
•  Doors are locked by the mechanical key.
•  The setting time has elapsed after the light come on.
•  The setting time has elapsed after the driver's or passenger's door is closed while the light is on.
•  The ignition is off and the shift lever is in any position other than P.
•  Doors are locked or unlocked by interlock operation or manual switch.

WIRING DIAGRAM

1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

1. Connect the intelligent tester to the DLC3.
2.  Ignition switch on.
3.  Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.
4.  Select the ACTIVE TEST, use the intelligent tester to issue a control command, and then check that the outer rear view mirrors.

MIRROR-L/MIRROR-R

OK: Outer mirror foot light is light up.

2 CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU - OUTER REAR VIEW MIRROR)

1. Disconnect the O10 or O12 ECU connector.
2.  Disconnect the O13 or O14 mirror connector.
3.  Measure the resistance according to the value(s) in the table below.

Resistance

*1: LH side
*2: RH side

3 CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR - BODY GROUND)

1. Measure the resistance according to the value(s) in the table below.

Resistance

*1: LH side
*2: RH side

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE