TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
p.097
BE/Body Electrical System98 / 121
p.099
Theft Deterrent Computer
INSPECTION OF THEFT DETERRENT COMPUTER — MK2 Supra Body Electrical System, page 98
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BE-98 BODY ELECTRICAL SYSTEM — Theft Deterrent System Theft Deterrent Computer INSPECTION OF THEFT DETERRENT COMPUTER INSPECT THEFT DETERRENT COMPUTER CIRCUIT Disconnect the computer and inspect the connector on the wire harness side as shown in the chart. [Diagram showing connector with terminals 12 11 10 9 8 7 6 5 4 3 2 1 and label BE098] Terminal | Check Item | Tester Connection | Condition | Voltage or Continuity 1 | Continuity | 1–Body Ground | FL door lock knob unlocked | Continuity | | | FL door lock knob locked | No continuity 2 | Continuity | 2–Body Ground | FR door lock knob unlocked | Continuity | | | FR door lock knob locked | No continuity 4 | Voltage | 4–Body Ground | Turn ignition switch to ON or ACC | Battery voltage | | | Turn ignition switch off | No voltage 5 | Voltage | 5–Body Ground | — | Battery voltage 6 | Continuity | 6–Body Ground | FL or FR door opened | Continuity | | | FL and FR door closed | No continuity 8 | Continuity | 8–Body Ground | Back door opened | Continuity | | | Back door closed | No continuity 9 | Continuity | 9–Body Ground | FL or FR door unlocked with key | Continuity | | | FL and FR door locked with key | No continuity 10 | Continuity | 10–Body Ground | — | Continuity 11 | Continuity | 11–Body Ground | Back door unlocked with key | Continuity | | | Back door locked | No continuity 12 | Voltage | 12–Body Ground | — | Battery voltage If circuit is correct, replace the theft deterrent computer.