TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical Systems62 / 203
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TROUBLESHOOTING — MK4 Supra Body Electrical Systems, page 62
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BE–62 BODY ELECTRICAL SYSTEM – ELECTRIC TENSION REDUCER SYSTEM TROUBLESHOOTING The table below will be useful for you in troubleshooting these electrical problems. The most likely causes of the malfunction are shown in the order of their probability. Inspect each part in the order shown, and replace the part when it is found to be faulty. Trouble | Parts name | (See page) Tension Reducer does not operate. | 1. ECU–IG fuse | (BE–6) (Driver's and Passenger's) | 2. Wire Harness | Tension Reducer does not operate. | 1. Buckle Switch | (BE–56) (Only one side) | 2. Tension Reducer Solenoid | (BE–62) | 3. Wire Harness | 25° Returns Slowly 2 1 N08955 TENSION REDUCER SOLENOID INSPECTION INSPECT SOLENOID OPERATION (a) Connect the positive (+) lead from the battery to terminal 1, and negative (–) lead to terminal 2. (b) Pull the belt upward and check that the belt is slowly retracted when released. 25° Returns Quickly N08956 (c) Disconnect the lead from the battery. (d) Pull the belt upward and check that the belt is retracted more quickly when released than in (b). HINT: Do not tilt the retractor. If the operation is not as specified, replace the front seat outer belt assembly. BUCKLE SWITCH INSPECTION See page BE–56