TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.160
BE/Body Electrical Systems161 / 203
p.162
INSPECTION PROCEDURE — MK4 Supra Body Electrical Systems, page 161
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BE-161 BODY ELECTRICAL SYSTEM – THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM INSPECTION PROCEDURE 1 Check key unlock warning switch. Disconnect P Disconnect key unlock warning switch connector. tor. C Check continuity between terminals 1 and 2 of key unlock warning switch connector, when the key is inserted to the key cylinder or removed. OK ○——○ Continuity Terminal 1 2 Switch position ON (Key inserted) ○——○ OFF (Key inserted) BE4001 SR3448 N08076 OK NG > Replace key unlock warning switch. 2 Check harness and connectors between ECU and key unlock warning switch, key unlock warning switch and body ground (See page IN–30). OK NG > Repair or replace harness or connector. Proceed to next circuit inspection shown on matrix chart (See page BE–123).