Terminal 30g Relay: E60, E61, E63, E64

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Installation location

Example: E60

The terminal 30g relay is located in the rear power distributor on the right-hand side of the luggage compartment.

Fig 1: Locating Terminal 30g Relay: E60, E61, E63, E64

Courtesy of BMW OF NORTH AMERICA, INC.

TERMINAL 30g RELAY: E60, E61, E63, E64

Item	Description	Item	Description
1	Terminal 30g relay	2	Relay for heated rear window

Construction

The terminal 30g relay is a relay for switching high direct currents.

How it works

The terminal 30g relay, which is actuated by the Car Access System (CAS). This allows the standard consumers to be switched on and off in a defined manner. Terminal 30g is actuated depending on the input information from the CAS.

The actuation of the terminal 30g relay by the CAS is illustrated below.

Fig 2: Locating Terminal 30g Relay Schematic: E60, E61, E63, E64

Courtesy of BMW OF NORTH AMERICA, INC.

TERMINAL 30g RELAY SCHEMATIC: E60, E61, E63, E64

Item	Description	Item	Description
1	Input signals	2	Car Access System (CAS)
3	Terminal 30g relay	4	Consumer
Kl. 30L	Terminal 30, load

Switch-on conditions for terminal 30g relay

The conditions required for switch-on are as follows:

Terminal R ON or
An occurrence-controlled change is made (vehicle is unlocked) or
Convenience closing is activated with remote control or
Change in condition of door contacts or boot-lid-contact switch or
Telephone wake-up wire for telematic services is activated or
BMW diagnosis system applications trigger reaction

Switch-Off Conditions For Terminal 30G Relay

The conditions required for switch-off are:

30 minutes have passed since "terminal R OFF" (60 minutes with permanently installed telephones) or
Application in service

The chronological sequence of switching on and switching off is illustrated below.

Fig 3: Switch-Off Conditions For Terminal 30g Relay: E60, E61, E63, E64

Courtesy of BMW OF NORTH AMERICA, INC.

SWITCH-OFF CONDITIONS FOR TERMINAL 30g RELAY: E60, E61, E63, E64

Item	Description	Item	Description
1	Terminal 30g relay OFF	2	Terminal 30g relay ON
3	Ignition lock position 0	4	Terminal R, ignition lock position 1
5	Terminal 15, ignition lock position 2	6	Terminal 50, ignition lock position 3, starting procedure
7	Delayed switch-off, 30 minutes	8	Delayed switch-off, 60 minutes, only with permanently installed telephone