The rear window and door mirror activation signal is an earth signal from switch unit H090 - pin 11 connector C - which enters at pin 44 of connector B of the optional junction unit under the instrument facia B101.Relay T11 is supplied directly from battery control unit B099 and ignition-operated (INT/A) via fuse F31 housed in the junction unit under instrument panel B002.Once excited, relay T11 supplies:
left heated rear window P054 and right heated rear window P053 via fuses F40 and F54;
left mirror P060 and right mirror P061 via fuse F41.
Rear window activation is indicated by the activation of a led on the switch.