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IQ PLUS CHARGER (ONBOARD)
Test Procedures
2008-2011 Domestic Battery Charger Maintenance and Service Manual
Page 9-11
9
TEST PROCEDURE 2 – CONTROL BOARD
See General Warning, Section 1, Page 1-1.
DC Circuit Test
1. Disconnect AC cord from outlet. DC cord red, black, and blue wires remain connected to the vehicle. All
wires remain connected to the control board. Set multimeter to 200 volts DC.
See following DANGER.
ý
DANGER
• Do not touch any wire or component in the battery charger while DC power is present. Failure
to heed this warning will result in an electric shock.
2. Place black (–) probe of multimeter on terminal with blue DC cord wire and red (+) probe to terminal with
red relay wire
(Figure 9-5, Page 9-11)
.
3. Multimeter should indicate full battery voltage (approximately 47-50 volts). If reading is incorrect, replace
control board.
AC Circuit Test
1. Disconnect AC cord from outlet. DC cord red, black, and blue wires remain connected to vehicle. Set
multimeter to volts AC.
2. Disconnect tan wire from transformer primary coil at terminal on control board
(Figure 9-7, Page 9-12)
.
See following DANGER.
ý
DANGER
• Do not touch any wire or component in the battery charger while AC power is present. Failure
to heed this warning will result in an electric shock.
3. Place black (–) probe of multimeter, set to 200 volts AC, onto terminal with black AC circuit breaker wire.
Connect red (+) probe to terminal from which tan transformer wire was disconnected
(Figure 9-6,
Page 9-11)
.
4. Connect AC cord to outlet. Reading should be approximately 110 to 128 volts AC.
5. If reading is incorrect, replace control board.
Figure 9-5 DC Circuit Test
Figure 9-6 AC Circuit Test
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
200 DCV SETTING
BLUE WIRE
TO DC
CORD
RED WIRE
TO RELAY
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
TAN WIRE
TO TRANSFORMER
BLACK WIRE
TO AC CIRCUIT
BREAKER
200 DCV SETTING
Summary of Contents for 2008-2011
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