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Testing & Repair - SMART Fortwo 2009 Equipment & Instructions

Electrical system

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skin and eyes from battery acid or
when handling damaged lead-acid
batteries
Notes on battery
1
Remove footrest on the passenger-
side
2
Unscrew nut (3)
3
Unclip the retaining clip (2) on the
bracket (1) and remove bracket (1)
Checking
4
Remove stop plugs (4) on the
battery (G1) and check fluid level
in the battery (G1)
Correct
5
Correct the battery acid level with
distilled water
6
Screw in plug (4)
Install
7
Insert bracket (1) and clip in
retaining clip (2) at the bracket (1)
8
Tighten nut (3)
9
Install footrest on the passenger-
side
TESTING & REPAIR
TESTING AND REPAIR WORK: SMART: ELECTRICAL SYSTEM, EQUIPMENT AND
INSTRUMENTS - AR54.00-Z-9451CA
MODEL 451
Perform initial startup of control units MODEL 451.3/4
Charge battery
Check condition of battery
Check quiescent current consumption MODEL 451.3/4
Control unit flashing
Control unit flashing
Disable/enable high-voltage system
Disconnect/connect battery ground
line
Disconnecting and connecting
electrical cables from battery
suitable and appropriately
marked containers.
Left-hand drive vehicles
Right-hand drive vehicles AR68.30-P-1340MCE
On right-hand drive
vehicles the bracket (1) is
only raised until the stop
plugs (4) are accessible.
In each cell the fluid
must reach the web let into
the filler opening (arrow).
Refill distilled water up
to the web (arrow).
Installation: Replace
self-locking nut (3).
Left-hand drive vehicles
Right-hand drive vehicles AR68.30-P-1340MCE
MODEL 451.3/4
MODEL 451.3/4
MODEL 451.3/4
MODEL 451.3/4
MODEL 451.391/491 with ENGINE
780.009
MODEL 451.3/4
MODEL 451.3/4
AH54.10-P-0001-01A
AR68.30-P-1340MCC
AR68.30-P-1340MCC
AR54.21-P-0018MCE
AR54.10-P-1130MCC
AR54.10-P-1129MCC
AR54.10-P-1030MCE
AR54.21-P-0012MCC
AR54.21-P-0012MCU
AR54.10-P-1160MEV
AR54.10-P-0003MCC
AR54.18-P-0002MCC

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