Lock Switch Circuit

DOOR LOCK: SMART KEY SYSTEM: Lock Switch Circuit
- Lock Switch Circuit

DESCRIPTION

Lock switches (trigger switch) are built into the outside handles of each door. The certification ECU detects the conditions of the each lock switch.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM

(a) Connect Techstream to the DLC3.

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

(c) Turn the tester on.

(d) Enter the following menus: Body Electrical / Smart Key / Data List.

(e) Read the Data List according to the display on the tester.

Smart Key:





OK:

On the tester screen, each item changes between ON and OFF according to the chart above.

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

2. INSPECT LOCK SWITCH

(a) Remove the outside handle.





(b) Disconnect the connectors.

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

Resistance:





NG -- REPLACE OUTSIDE HANDLE
OK -- Continue to next step.

3. CHECK WIRE HARNESS (CERTIFICATION ECU - LOCK SWITCH)

(a) Disconnect the D39 and D40 ECU connectors.





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





Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

4. CHECK WIRE HARNESS (DOOR OSCILLATOR - LOCK SWITCH)

(a) Disconnect the door oscillator connector.





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





Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE