TSRM/MK2 Supra/Wiring Diagrams
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S2/Starting and Ignition Systems, page 1

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Starting and Ignition Systems — MK2 Supra Starting and Ignition Systems wiring diagram, page 1
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Page text (OCR transcript)
2 STARTING AND IGNITION SYSTEMS

1 AH ACC IG B B-Y ST 4 B-M

IGNITION S/W A

B2

B-H

B-H (M/T)

NEUTRAL START S/W (A/T)

B1

3 C1

2 D2

B-M (M/T) B (A/T)

B-R

B-R

FUSE BOX

COLD START INJECTOR

START INJECTOR TIME S/W

S STA STA

FLI, IG/I

FL 2 (B)

B-M (M/T)

B

BATTERY

STARTER

UNDER J/B NO. 3

7.5A IGN

B-H

B-R (M/T)

2

B-M

FUSIBLE LINK BOX

3 C1

2 D2

B

B (IG)

9 C2

EFI MAIN RELAY NO. 2

IGNITION COIL

7 5 (D) 4 (P)

B-H

B-H

NOISE FILTER

3 C1

2 D2

B-R

1 E1

IGNITER

1

2 (L)

2

1 (L)

1

2 IGF

8 IGT

TCCS ECU

ENGINE MOUNTING

B-R

G-

B

W

B

G

G NE

B

TO TACHOMETER AND AMPLIFIER

1 2 3

DISTRIBUTOR

1 IGNITION S/W
1-B: CLOSED WITH IGNITION KEY AT IG OR ST POSITION
1-4: CLOSED WITH IGNITION KEY AT ST POSITION

2 NEUTRAL START S/W (A/T)
CLOSED WITH A/T SHIFT LEVER P OR N POSITION

3 COLD START INJECTOR
2-1: 12 VOLTS WHILE START INJECTOR TIME S/W CLOSED AND STARTER CRANKING
COIL 3-5 Ω

4 START INJECTOR TIME S/W
OPEN MORE THAN 23°C (72°F)
2-1    + 30-50 Ω LESS THAN 23°C (72°F)
2-1    + 70-90 Ω MORE THAN 22°C (72°F)
2-GROUND: 30-90 Ω

5 EFI MAIN RELAY NO. 2
2-4: CLOSED WITH IGNITION S/W AT IG OR ST POSITION

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