TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System98 / 116
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Theft Deterrent Computer — MK3 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 below. Wire Harness Side [Diagram showing connector with pins numbered 1-14] Tester Connection | Check Item | Condition | Voltage or Continuity 8 — Ground | Continuity* | RH or LH front door lock knob unlocked | Continuity 8 — Ground | Continuity* | RH and LH front door lock knob locked | No continuity 2 — Ground | Continuity* | Always | Continuity 13 — Ground | Voltage | M/T only | Turn ignition switch ST | Battery voltage 13 — Ground | Voltage | M/T only | Depress clutch pedal | No voltage 13 — Ground | Voltage | M/T only | Turn ignition switch ST Release clutch pedal | Battery voltage 13 — Ground | Voltage | A/T only | Turn ignition switch ST | No voltage 13 — Ground | Voltage | A/T only | Turn ignition switch except ST | Battery voltage 4 — Ground | Voltage | Turn ignition switch to ON or ACC | Battery voltage 4 — Ground | Voltage | Turn ignition switch to LOCK | No voltage 14 — Ground | Voltage | Always | Battery voltage 7 — Ground | Continuity | RH or LH front door opened | Continuity 7 — Ground | Continuity | RH and LH front door closed | No continuity 1 — Ground | Continuity* | Back door or engine hood opened | Continuity 1 — Ground | Continuity* | Back door and engine hood closed | No continuity 3 — Ground | Continuity | RH or LH front door unlocked with key | Continuity 3 — Ground | Continuity | Except above condition | No continuity 5 — Ground | Continuity | Always | Continuity 10 — Ground | Continuity | Back door unlocked with key | Continuity 10 — Ground | Continuity | Except the above condition | No continuity 6 — Ground | Voltage | ——— | Battery voltage 11 — Ground | Continuity | RH or LH front door locked with key | Continuity 11 — Ground | Continuity | Except above condition | No continuity 12 — Ground | Continuity | Key unlock warning switch ON | Continuity 12 — Ground | Continuity | Key unlock warning switch OFF | No continuity *: This circuit includes the LED or diode, if the circuit shows no continuity, change the positive and negative probes and recheck the circuit. If circuit is correct, replace the theft deterrent computer.