900 L4-1985cc 2.0L DOHC Turbo EFI (1985)
1985 and 1986 models
Lamp 47D in the combined instrument is supplied (+15) from fuse 22, via the 29-pole red connector 152B.
If the lubricating oil pressure should drop below 0.3 - 0.5 bar, oil pressure transmitter 44 will close and the lamp will light up.
Fault-tracing hints
The oil pressure warning lamp will be operative when the ignition switch is in the drive position.
1984 models
1. Check the bulb and check that the supply to its terminals in the combined instrument is live.
2. Remove the cable from the oil pressure transmitter and earth it. If the lamp lights up,the circuit is unbroken.
3. Check the connectors, cable harnesses and the earth connection of the oil pressure transmitter.
1985 and 1986 models
1. Check fuse 22 and check that the supply to it is live.
2. Check the bulb and check that the supply to its terminals in the combined instrument is live.
3. Remove the cable from the oil pressure transmitter and earth it. If the lamp lights up, the circuit is unbroken.
4. Check the connectors, cable harnesses and the earth connection of the oil pressure transmitter.
