SAM control unit
62
Electrical system
Introduction of smart fortwo electric drive (3rd Generation) • Model Series 451
Relays
The following relays for the smart fortwo electric
drive are located on the SAM and in relay holders
on branch-off lines of the wiring harness:
• Fan stage switching changeover relay
(K9/7) (cooling fan stage 1 + 2)
• Circuit 15/30 stationary air conditioner relay
(K16/1) (2 micro-relays on one holder)
• 12 V PTC heater booster relay (K16/5)
• Relay for brake vacuum pump (+) (K109)
• Relay for brake vacuum pump (-) (K109/1)
P54.15-3498-00
Relay arrangement
K9/7 Fan stage switching changeover relay
K16/1 Circuit 15/30 stationary air conditioner
relay
K16/5 12 V PTC heater booster relay
K109 Relay for brake vacuum pump (+)
K109/1 Relay for brake vacuum pump (-)
N10/10 SAM control unit
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