TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System82 / 121
p.083
Cruise Control Computer Circuit
INSPECTION OF COMPUTER CIRCUIT — MK2 Supra Body Electrical System, page 82
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BE-82 BODY ELECTRICAL SYSTEM — Cruise Control System Cruise Control Computer Circuit INSPECTION OF COMPUTER CIRCUIT Disconnect the computer and inspect the connector on the wire harness side as shown in the chart below. Terminal | Connection or Measure Item | Check Item | Tester Connection | Condition | Voltage or Resistance Value 1 | Stop Light Switch and Release Valve | Resistance | 1 — 2 | Brake pedal returned | About 68 Ω 2 | Release Valve and Control Valve | — | — | — | — 3 | Control Valve | Resistance | 3 — 2 | — | About 30 Ω 4 | Control Switch (Set/Coast) | Continuity | 4 — Body Ground | Turn set/coast switch on Turn set/coast switch off | Continuity No continuity 5 | OD Relay | — | — | — | — 6 | Speed Sensor | — | — | — | — 7 | Main Switch | Voltage | 7 — Body Ground | Turn ignition switch and main switch on Turn ignition switch and main switch off | Battery voltage No voltage 8 | Stop Light Switch | Voltage | 8 — Body Ground | Brake pedal depressed Brake pedal returned | Battery voltage No voltage 9 | STOP Fuse | Voltage | 9 — Body Ground | — | Battery voltage 10 | Body Ground | Continuity | 10 — Body Ground | — | Continuity 11 | Clutch Switch Neutral Switch | Continuity | 11 — Body Ground | Clutch pedal depressed or shift into "N" range Clutch pedal returned or shift into except "N" range | Continuity No continuity 12 | Parking Brake Switch | Voltage | 12 — Body Ground | Parking brake pulled Parking brake returned | No voltage Battery voltage 13 | Control Switch (Accel/Resume) | Continuity | 13 — Body Ground | Turn accel/resume switch on Turn accel/resume switch off | Continuity No continuity