Page 21-14
21A
E
On-Board Computer (OBC) Control Circuit, Continued:
• When the batteries can accept a regenerative charge, the OBC sends a signal through the Z 11 (green
wire) position to the controller, to switch from dynamic braking to regenerative braking.
• When the battery charger DC cord is plugged into the charger receptacle, the OBC will shut off current
to the Z12 (yellow wire) transistor in the controller, and this activates the solenoid lock-out feature.
• If there is a problem with batteries or the charge cycle, the OBC completes the circuit through the OBC
brown wire to illuminate the battery warning light that is located on the vehicle center dash.
Power is supplied to the OBC through the 18 gauge red wire from the large post on the main solenoid. There
is a 3/8 amp replaceable in-line fuse in the red wire from the solenoid. The on-board computer is not a field
serviceable item. If it fails, the entire unit must be replaced.
BATTERY WARNING LIGHT CIRCUIT (FIGURE 21-15)
The PowerDrive Plus vehicle features a dash mounted warning light (above the steering column) that, when
the vehicle is in operation, indicates low battery voltage, or, when the vehicle is being charged, indicates a
charging problem. The battery warning light is controlled by the on-board computer.
The battery warning light will illuminate under the following conditions:
• Battery voltage drops below 48 when there is no load on the batteries (the vehicle is stopped and there
are no accessories on).
FIGURE 21-14
BATTERY
BANK
-
+
+
-
-
-
+
+
+
+
-
-
1
2
3
4
6
5
SOLENOID
WARNING
LIGHT
-
+
GRAY
BROWN
BROWN
FUSE AND
RECEPTACLE
CONTROLLER
ON-BOARD
COMPUTER
ON-BOARD COMPUTER
CONTROL CIRCUIT
BLACK
BLACK
FUSE
BLACK
FUSE
Z12
Z11
BLACK
GRAY
BLACK
BLACK
RED
RED
YELLOW
GREEN
GREEN
YELLOW
BROWN
SPADE
CONNECTOR
Summary of Contents for 1996 DS Golf Car Gasoline
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