Nira i7x - Main Relay; Fuel Pump Relay

© 2005-2016 Nira Control AB 39
3.18 Main Relay
Use the Main Relay to supply actuators and sensors that need 12 V supply.
Examples of such actuators and sensors could be injectors, CAM sensor, ALS
solenoid etc.
Se the picture below and connect each pin as described in the table.
Kl 87
Kl 30
Kl 86
Kl 85
Relay pin overview
Pin
Description
Connect to
Kl 30
12 V in
Battery. Connect fuse at this side
Kl 87
12 V out
To actuator and sensors that
need 12V
Kl 85
Control solenoid –
Pin V.89 (Main Relay On = gnd)
Kl 86
Control solenoid +
Ign switch (kl. 15)
3.19 Fuel Pump Relay
Warning! Make sure that the fuel pump relay is installed correctly.
An incorrectly installed relay may cause severe personal and
property damage. Do NOT connect the relay directly to the
battery. It must be connected to terminal 15.
Connect one side of the relay coil to terminal 15. Connect the other to the
wire marked “Fuel Relay, on=gnd” in the NIRA i7x harness.
Always connect a fuse with proper rating.
Connect each pin due to table below.
Pin
Description
Connect to
Kl 30
12V in
Battery. Connect fuse at this side
Kl 87
12V out
Fuel Pump