TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System32 / 116
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BODY ELECTRICAL SYSTEM — Wipers and Washers — MK3 Supra Body Electrical System, page 32
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8E-32 BODY ELECTRICAL SYSTEM — Wipers and Washers (b) With terminals 7 and 8 connected, check that continuity between terminals 1 and 5 are as shown in the following diagram. Condition | Disconnect terminals 3 and 4 | Connect terminals 3 and 4 Time (secs.) Duration of continuity | 0.8 ± 0.2 | 0.8 ± 0.2 Duration of non-continuity | 10 ± 2.0 | 2.0 ± 0.4 If operation is not as specified, replace the relay. 2. INSPECT WASHER CIRCUIT OF RELAY (a) Connect the positive (+) lead from the battery to terminal 5 and the negative (–) lead to terminal 7. (b) Inspect continuity between terminals 1 and 5 as follows. Time (seconds) | Between terminals 1 and 5 | Time (seconds) | Between terminals 1 and 5 Connect terminals 6 and 7 | No Continuity | Disconnect terminals 6 and 7 | Continuity 0.5 ± 0.1 | Continuity | 2.5 ± 0.5 | No Continuity If continuity is not as specified, replace the relay. REPLACEMENT OF SWITCHES (See page BE-18, 19) REPLACE SWITCHES (a) Remove the terminals from the connector. (See pages BE-2, 3) (b) Remove the wiper and washer switch. (c) Install the wiper and washer switch. (d) Install the terminals to the connector. (See pages BE-3, 31)