900 L4-1985cc 2.0L DOHC (1986)
Switch 264, which switches out the system when 5th gear is engaged.
Temperature switch 262, which switches out the system when the engine temperature is below about +35 °C.
Throttle contacts 203/261, which switch out the system when the throttle is in the rest position.
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.
