740 L4-2.3L SOHC VIN 88 B230F (1985)
8-pole
A1 Instrument lighting (output, variable ground) BL
A2 Lighting (input) W
A3 Fasten seat belt light (+) Y
A4 Fasten seat belt light (-) GR-R, GN
A5 Bulb failure warning sensor (-) BL-Y
A6 Parking brake (-) BN
A7 Brake failure monitor (-) GR
A8 High beam (+) W-BL
7-pole
B1 To fuel level sender W-GR
B2 Right direction indicator (+) BL-GN
B3 Left direction indicator (+) GN
B4 Battery charging D+/61 R
B5 30 + supply GN-R
B6 To oil pressure sender (-) SB
B7 To temperature sender Y-W
12-pole
C1 Exhaust gas temperature sender GN/W
C2 Boost pressure (Turbo) BN, Y-R
C3 D + 61 (output, AC delay relay) R
C4 D + 61 (output, AC delay relay Diesel) P
C5 M 46 overdrive (+) Y-GR
C6 Speedometer ground BN
C7 -
C8 Overdrive relay gear shift indicator GN/Y-GR
C9 Low washer level sensor (-) W-BL
C10 Glow plug current (Diesel) (-) OR
C11 Oil level (+) BL-A
C12 Oil level (-) BL
3-pole
D1 To speedometer transmitter GN-W
D2 Ground point (-) BN
D3 15+ supply BL-R
E1 Digital output, cruise control Y
F1 Analogue output, speed warning device (Japan)
G1 Tachometer connection (to ignition coil 1 or alternator) W 6
H1 15 + supply
Instrument panel lamps
1 Not connected
2 Fasten seat belt (113)
3 Gear shift indicator (102)
4 Low washer fluid level (101)
5 Bulb failure (103)
6 Parking brake (99)
7 Brake failure (100)
8 Main beam (109)
9 M 46 overdrive engaged (112)
10 Low battery charge 105
11 Oil pressure (97)
12 Boost pressure (Turbo) (98)
13 Parking lights (111)
Lambda sond (111)
EGR (111)
14 Exhaust gas temperature sender (107)
15 Low oil level (96)
16 Glow current (diesel) or ETC 104
17 Right direction indicator (110)
18 Left direction indicator (108)
19-22 Instrument lighting (85)