{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"BE","section_name":"Body Electrical System","page":98,"pages_in_section":116,"title":"Theft Deterrent Computer","section_header":"Body Electrical System — Theft Deterrent System","ocr_text":"BE-98\nBODY ELECTRICAL SYSTEM — Theft Deterrent System\n\nTheft Deterrent Computer\n\nINSPECTION OF THEFT DETERRENT COMPUTER\n\nINSPECT THEFT DETERRENT COMPUTER CIRCUIT\n\nDisconnect the computer and inspect the connector on the wire harness side as shown in the chart below.\n\nWire Harness Side\n[Diagram showing connector with pins numbered 1-14]\n\nTester Connection | Check Item | Condition | Voltage or Continuity\n\n8 — Ground | Continuity* | RH or LH front door lock knob unlocked | Continuity\n8 — Ground | Continuity* | RH and LH front door lock knob locked | No continuity\n\n2 — Ground | Continuity* | Always | Continuity\n\n13 — Ground | Voltage | M/T only | Turn ignition switch ST | Battery voltage\n13 — Ground | Voltage | M/T only | Depress clutch pedal | No voltage\n13 — Ground | Voltage | M/T only | Turn ignition switch ST Release clutch pedal | Battery voltage\n13 — Ground | Voltage | A/T only | Turn ignition switch ST | No voltage\n13 — Ground | Voltage | A/T only | Turn ignition switch except ST | Battery voltage\n\n4 — Ground | Voltage | Turn ignition switch to ON or ACC | Battery voltage\n4 — Ground | Voltage | Turn ignition switch to LOCK | No voltage\n\n14 — Ground | Voltage | Always | Battery voltage\n\n7 — Ground | Continuity | RH or LH front door opened | Continuity\n7 — Ground | Continuity | RH and LH front door closed | No continuity\n\n1 — Ground | Continuity* | Back door or engine hood opened | Continuity\n1 — Ground | Continuity* | Back door and engine hood closed | No continuity\n\n3 — Ground | Continuity | RH or LH front door unlocked with key | Continuity\n3 — Ground | Continuity | Except above condition | No continuity\n\n5 — Ground | Continuity | Always | Continuity\n\n10 — Ground | Continuity | Back door unlocked with key | Continuity\n10 — Ground | Continuity | Except the above condition | No continuity\n\n6 — Ground | Voltage | ——— | Battery voltage\n\n11 — Ground | Continuity | RH or LH front door locked with key | Continuity\n11 — Ground | Continuity | Except above condition | No continuity\n\n12 — Ground | Continuity | Key unlock warning switch ON | Continuity\n12 — Ground | Continuity | Key unlock warning switch OFF | No continuity\n\n*: This circuit includes the LED or diode, if the circuit shows no continuity, change the positive and negative probes and recheck the circuit.\n\nIf circuit is correct, replace the theft deterrent 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