Door Lock Control Switch Circuit

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Lock Control Switch Circuit

Door Lock Control Switch Circuit

DESCRIPTION

When a malfunction is detected in these switches, inspect each switch. Then, replace the malfunctioning switch. If no malfunction is detected in switches, check the wire harness.

WIRING DIAGRAM









INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (DOOR LOCK SWITCH)
(a) Connect Techstream to the DLC3.
(b) Turn the ignition switch on (IG).
(c) Turn the tester on.
(d) Enter the following menus: Body Electrical / Main Body / Data List.
(e) Read the Data List according to the display on the tester.

Main Body:





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

NG -- INSPECT DOOR LOCK CONTROL SWITCH
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. INSPECT DOOR LOCK CONTROL SWITCH





(a) Inspect door lock switch (driver side).
(1) Disconnect the multiplex network master switch assembly.
(2) Measure the resistance of the switch when the switch is operated.
Resistance:









(b) Inspect door lock switch (passenger side).
(1) Disconnect the front passenger door lock switch assembly.
(2) Measure the resistance of the switch when the switch is operated.
Resistance:






NG -- REPLACE DOOR LOCK CONTROL SWITCH
OK -- Continue to next step.

3. CHECK WIRE HARNESS (DOOR LOCK SWITCH ASSEMBLY - INSTRUMENT PANEL J/B)





(a) Inspect driver side.
(1) Disconnect the H6 connector.
(2) Remove the body ECU from instrument panel J/B.
(3) Measure the resistance of the wire harness side connectors.
Resistance:









(b) Inspect passenger side.
(1) Disconnect the G5 connector.
(2) Remove the body ECU from instrument panel J/B.
(3) Measure the resistance of the wire harness side connectors.
Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE