TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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ST/Starting System12 / 13
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STARTER RELAY
STARTER RELAY INSPECTION — MK4 Supra Starting System, page 12
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ST–12 STARTING SYSTEM – STARTER RELAY STARTER RELAY STARTER RELAY INSPECTION 1. REMOVE STARTER RELAY ("ST") LOCATION: In the engine compartment relay box. Remove the relay box cover and starter relay. Starter Relay P11569 Ohmmeter Continuity No Continuity 1 5 3 Ohmmeter 2 P07170 2. INSPECT STARTER RELAY A. Inspect relay continuity (a) Using an ohmmeter, check that there is continuity between terminals 1 and 2. (b) Check that there is no continuity between terminals 3 and 5. If continuity is not as specified, replace the relay. Ohmmeter Continuity 1 5 3 2 Battery P07171 B. Inspect relay operation (a) Apply battery voltage across terminals 1 and 2. (b) Using an ohmmeter, check that there is continuity between terminals 2 and 5. If operation is not as specified, replace the relay. 3. REINSTALL STARTER RELAY