TSRM/MK4 Supra/Wiring Diagrams
Repair ManualWiring Diagrams
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TRBL/Troubleshooting7 / 7
GLOS
ABBREVIATIONS — MK4 Supra Troubleshooting wiring diagram, page 7
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ABBREVIATIONS Bolt type connector Male Connector Nut Female Connector Bolt (Before Connection) Less than 1 mm (0.04 in.) (After Connection) Bolt Collar Stopper Nut Female Connector Male Connector (Before Connection) (After Connection) DISCONNECTION AND CONNECTION OF BOLT TYPE CONNECTORS For engine control module (engine and electronically controlled transmission ECU) in this vehicle, connectors are used which require a bolt built into the connector to be screwed down to securely connect the connector. 1. Disconnect the connector After completely loosening the bolt, the two parts of the connector can be separated. NOTICE: Do not pull the wire harness when disconnecting the connector. 2. Connect the connector NOTICE: Before connecting the connector, always check that the terminals are not bent or damaged. (a) Match the guide section of the male connector correctly with the female connector, then press them together. (b) Tighten the bolt. Make sure the connectors are completely connected, by tightening the bolt until there is a clearance of less than 1 mm (0.04 in.) between the bottom of male connector and the end of female connector. ABBREVIATIONS The following abbreviations are used in this manual. ABS = Anti-Lock Brake System A/C = Air Conditioning ACIS = Acoustic Control Induction System A/T = Automatic Transmission COMB. = Combination ECU = Electronic Control Unit EFI = Electronic Fuel Injection EGR = Exhaust Gas Recirculation EVAP = Evaporative Emission ISC = Idle Speed Control J/B = Junction Block LH = Left-Hand M/T = Manual Transmission O/D = Overdrive PPS = Progressive Power Steering R/B = Relay Block RH = Right-Hand SFI = Sequential Multiport Fuel Injection SRS = Supplemental Restraint System SW = Switch TDCL = Total Diagnostic Communication Link TEMP. = Temperature TRAC = Traction Control System VSV = Vacuum Switching Valve w/ = With w/o = Without * The titles given inside the components are the names of the terminals (terminal codes) and are not treated as being abbreviations. 15