TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.148
BE/Body Electrical Systems149 / 203
p.150
INSPECTION PROCEDURE — MK4 Supra Body Electrical Systems, page 149
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BE-149 BODY ELECTRICAL SYSTEM – THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM INSPECTION PROCEDURE 1 Check engine hood courtesy switch. Disconnect P (1) Remove engine hood lock assembly. (2) Disconnect engine hood courtesy switch connector. C Check continuity between terminals 1 and 2 when engine hood lock is locked and unlocked. OK O——O Continuity Terminal 1 2 Engine hood lock Lock Unlock O O BE4061 N08684 OK NG Replace engine hood courtesy switch. 2 Check harness and connector between theft deterrent and door lock ECU and switch and body ground (See page IN–30). OK NG Repair or replace harness or connector. Check and replace theft deterrent and door lock ECU (See page IN–30).