Toyota Sienna Service Manual: Door LOCK Position Circuit

Toyota Sienna Service Manual / Lighting / Lighting system / Diagnostic trouble code chart / Door LOCK Position Circuit

DESCRIPTION

This circuit detects the state of the door lock detection sensor and send it to the Multiplex network body ECU.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 READ VALUE OF INTELLIGENT TESTER

Connect the intelligent tester to DLC3.
Turn the ignition switch ON and push the intelligent tester main switch ON.
Select the items below in the DATA LIST, and read the displays on the intelligent tester.

BODY NO.1:

BODY NO.1

2 CHECK HARNESS AND CONNECTOR

Disconnect the 1P, B7 and B9 connector from instrument panel junction block assembly.

CHECK HARNESS AND CONNECTOR

Check the continuity between each of the terminals of the instrument panel junction block assembly connector side and body ground as shown in the chart below.

CHECK HARNESS AND CONNECTOR

Resistance

Resistance

GO TO POWER DOOR LOCK CONTROL SYSTEM

Door Courtesy Switch Circuit

DESCRIPTION The Multiplex network body ECU detects the condition of the door courtesy switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER Connect the ...

Illumination Circuit

DESCRIPTION The Multiplex network body ECU controls illumination light as shown in the chart below. Room light assembly (Interior light, luggage component light) and courtesy light wit ...

Other materials:

Removal
HINT: Use the same procedures for the RH side and LH side. The procedures listed below are for the LH side. 1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 s ...

Inspection
1. INSPECT FRONT SEAT INNER BELT ASSEMBLY RH Release the seat belt (Buckle switch is ON). Check the resistance between the terminals. Standard If the result is not as specified, replace the inner belt assembly. Inspect the buckle switch. Fasten ...

Terminals of ECU
1. CHECK POWER BACK DOOR ECU Disconnect the P13 and P14 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the ECU co ...