900 L4-1985cc 2.0L DOHC Turbo EFI (1985)
In order to avoid irritating flashing of the lamp on sudden changes in the engine loading, the relay includes a time delay function which delays
lighting-up of the lamp by 1.7 5 and switching-off by 1.5 5.
Fault-tracing hints
1. Turn the ignition switch to the drive position and check fuse 4. Check also that the supply to the fuse is live.
2. Check the shift-up indicator bulb.
3. Check that the switches in the system close and open the circuit under the specified conditions.
4. Check that ignition pulses are received by the shift-up indicator relay.
5. Check the connectors and earth connections.