Door Courtesy Switch Circuit

LIGHTING: LIGHTING SYSTEM: Door Courtesy Switch Circuit
- Door Courtesy Switch Circuit

DESCRIPTION

The main body ECU detects the condition of the door courtesy switches.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM

(a) Connect Techstream to the DLC3.

(b) Turn the ignition switch on (IG).

(c) Turn Techstream on.

(d) Select the following menu items: Body Electrical / Main Body / Data List.

(e) Read the display on Techstream.

Main Body:

Main Body::

OK:

Normal conditions listed above are displayed.

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG -- Continue to next step.

2. INSPECT DOOR COURTESY SWITCH

(a) Inspect the front door courtesy switch Front Door Courtesy Switch.

(b) Inspect the rear door courtesy switch Rear Door Courtesy Switch.

OK:

Door courtesy switches are normal.

NG -- REPLACE DOOR COURTESY SWITCH
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - DOOR COURTESY SWITCH)

(a) Check the harness and connector between the main body ECU and door courtesy switches (passenger side and rear RH).

(1) Disconnect the E6 main body ECU connector.

(2) Disconnect the O6 and O10 switch connectors.

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

Standard resistance:

HINT
*1: without Smart Key System

*2: with Smart Key System

(b) Check the harness and connector between the instrument panel J/B assembly and rear LH door courtesy switch.

(1) Disconnect the IO instrument panel J/B assembly connector.

(2) Disconnect the N13 switch connector.

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

Standard resistance:

(1) Disconnect the E7 main body ECU connector.

(2) Disconnect the N6 switch connector.

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

Standard resistance:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY