TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.112
BE/Body Electrical Systems113 / 203
p.114
MOTOR ANTENNA CONTROL RELAY INSPECTION — MK4 Supra Body Electrical Systems, page 113
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Wire Harness Side e·8·1 N07694 MOTOR ANTENNA CONTROL RELAY INSPECTION INSPECT RELAY CIRCUIT Disconnect the connector from the relay and inspect connector on wire harness side, as shown in the chart. Tester connection to terminal number | Condition | Specified condition 6–Ground | Constant | Continuity 2–3 | Constant | Continuity 1–Ground | Constant | Battery positive voltage 4–Ground | Ignition switch position ON | Battery positive voltage 5–Ground | Ignition switch position ACC or ON | Battery positive voltage 7–Ground | Ignition switch position ACC or ON and radio switch ON | Battery positive voltage 8–Ground | Ignition switch position ACC or ON | Battery positive voltage If circuit is not as specified, replace the relay.