Mazda 3 MPS
1311472A
6
Preparing the Electronics
Only for automatic air conditioning
Wire section 4 will be needed later for
connecting the resistor.
Cutting
wires into
sections
Wire sections
Pre-
assemble
the K3.1
relay
1 Thermal insulation cover
2 Edge protection profile
Inserting
edge
protection
Cut the accompanying flexible hose 1 in the
middle and pull on the ground cable for the
heater unit cable harness / ground cable
resistance 0.9 Ohm 2.
Connect the ground cable to ground 3.
Note the circuit diagram page 9.
Ground
connection
1 2
sw 2,5mm²
2250mm250mm
3 4
1000mm1500mm
br 2,5mm²
sw 0,5mm²
1500mm
sw 0,5mm²
250mm
5
6
85
87a
87
30
86
K3.1
sw
6
1
2
3
5
sw
br
br sw
2
21
3
1
3 2