TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System22 / 116
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Parts Inspection — MK3 Supra Body Electrical System, page 22
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BE-22 BODY ELECTRICAL SYSTEM — Lighting System Reference: RIGHT TURN FLASH LO HI LEFT TURN [CONNECTOR DIAGRAM] BE2100 V.10-2 Parts Inspection Headlight and Taillight System 1. INSPECT COMBINATION SWITCH (Light Control Switch/Continuity) Terminal (Wire color) | 20/9 | 2/14 | 11/14 | 13/14 Switch position | (G) | (Clear) | (W) | (R) OFF | | | | UP | O—|—|—O TAIL | O—|—O—|—| HEAD | |—O—O—|—O (Headlight Dimmer and Turn Signal Switch/Continuity) Headlight Dimmer Switch Terminal (Color) | 3/14 | 9/14 | 12/14 | 14/14 Switch position | (R-G) | (W-B) | (R-Y) | (R-W) Flash | |—O—|—O—|—O Low beam | O—|—O—|—| High beam | |—O—|—O—| Turn Signal Switch Terminal (Color) | 1/14 | 5/14 | 8/14 Switch position | (G-W) | (G-B) | (G-Y) Left turn | O—|—O—| Neutral | | | | Right turn | O—|—|—O If continuity is not as specified, replace the switch. 2. INSPECT RELAY (Headlight Control Relay/Continuity) [RELAY DIAGRAM with numbered terminals 1-4] Terminal | 1 | 2 | 3 | 4 Condition Constant | O—/∩∩∩ Apply battery voltage to terminals 1 and 2. | | | O—|—O (Taillight Control Relay/Continuity) [RELAY DIAGRAMS with numbered terminals 1-4] BE1647 BE1576 BE1641 Terminal | 1 | 2 | 3 | 4 Condition Constant | O—|—/∩∩∩—|—O Apply battery voltage to terminals 1 and 3. | | O—|—|—O