TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.134
BE/Body Electrical Systems135 / 203
p.136
INSPECTION PROCEDURE — MK4 Supra Body Electrical Systems, page 135
100%
BE-135 BODY ELECTRICAL SYSTEM – THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM INSPECTION PROCEDURE 1 Check voltage between terminal SH of theft deterrent horn connector and body ground. LOCK Disconnect (2JZ-GE) (2JZ-GTE) 2 1 2 1 BE3843 N08621 N08662 P Remove the theft deterrent horn and disconnect the connector. C Measure voltage between terminal 1 of theft deterrent horn connector and body ground. OK Voltage: 10 – 14 V OK NG Check and repair harness and connector between HORN fuse and theft deterrent horn. 2 Check theft deterrent horn. BE1239 C Connect positive (+) lead to terminal 1 and negative (–) lead to terminal 2 of theft deterrent horn connector. OK Theft deterrent horn blows. OK NG Replace theft deterrent horn. 3 Check harness and connector between theft deterrent and door lock ECU and theft deterrent horn (See page IN–30). OK NG Check and repair harness or connector. Check and replace theft deterrent ECU.