TSRM/MK4 Supra/Repair Manual
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p.130

BE/Body Electrical Systems — Inspection Procedure, page 131

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p.132
Inspection Procedure — MK4 Supra Body Electrical Systems, page 131
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Page text (OCR transcript)
BE–131
BODY ELECTRICAL SYSTEM – THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM

INSPECTION PROCEDURE
HINT: This troubleshooting is based on the premise that engine cranking occurs.
    If the engine does not crank, proceed to engine troubleshooting on page EG–381 or 487 (Vol. 1).

1  Check voltage between terminal SRLY of theft deterrent and door lock ECU connector and body ground.

START
Disconnect

SRLY

P  (1)  Remove instrument panel panel.
         (See BO section.)
   (2)  Disconnect the ECU connector.

C  Measure voltage between terminal SRLY of theft deterrent ECU connector and body ground when ignition switch is turned on.

OK  Voltage: 10 – 14 V

BE3B41
NO7479

NG

OK )  Check and replace theft deterrent ECU.

Check and repair harness and connector between starter and theft deterrent and door lock ECU
(See page IN–30).