181
M4.3-1055-049
04 Rev. 10/09
ELECTRICAL
ACCESS 123...System
A3.4.7 SVA1A; (1st accessory solenoid valve A coil
output) to view output, press the right arrow and acti-
vate/de-activate function. Coil energized - approxi-
mately 60%. Coil not energized - 0%. Press the left ar-
row to return to A3.4.7 SVA1A submenu then down
arrow to continue.
A3.4.8 SVA1B; (1st accessory solenoid valve B coil
output) to view output, press the right arrow and acti-
vate/de-activate function. Coil energized - approxi-
mately 60%. Coil not energized - 0%. Press the left ar-
row to return to A3.4.8 SVA1B submenu then down
arrow to continue.
A3.4.9 SVA2A; (1st accessory solenoid valve A coil
output) to view output, press the right arrow and acti-
vate/de-activate function. Coil energized - approxi-
mately 75%. Coil not energized - 0%. Press the left ar-
row to return to A3.4.9 SVA2A submenu then down
arrow to continue.
A3.4.10 SVA2B; (1st accessory solenoid valve B coil
output) to view output, press the right arrow and acti-
vate/de-activate function. Coil energized - approxi-
mately 75%. Coil not energized - 0%. Press the left ar-
row to return to A3.4.10 SVA2B submenu. Press left
arrow to return to A3.4 ACCESS 7 submenu. Press left
arrow to return to A3 Outputs submenu. Press down
arrow to continue.
A4 Test Outputs
When troubleshooting, A4 Test Outputs can be used to
check to see if the ACCESS 123 module output voltage
is being supplied to the components without operating
the truck. The A4 Output submenus are sorted by
ACCESS 123 module.
A4 is available in Level 3 service mode only. It's not
available in Level 2. For more information and to ac-
cess Level 3, refer to "Level 3" near the beginning of
this section. Press the right arrow to enter the sub-
menus. Use the up and down arrows to navigate to the
desired submenu.
During a test, all test output submenus will display a
message "Enter to Cancel". To cancel the test, you can
either push the enter arrow or wait approximately 5
seconds and the test will time out.
A4.1 ACCESS 1; To test outputs by ACCESS 1 dis-
play module. Press the right arrow to enter the sub-
menus.
A4.1.1 BRK1; (right brake coil) connect the DVOM
across the brake coil. Press the right arrow and then
press enter arrow to test. DVOM should display ap-
proximately 15 volts. Press the down arrow to continue.
A4.1.2 BRK2; (left brake coil) connect the DVOM
across brake coil. Press the right arrow and then press
the enter arrow to test. The DVOM should display ap-
proximately 15 volts. Press the down arrow to continue.
A4.1.3 SVBy; (bypass solenoid valve coil) connect the
DVOM across coil. Press the right arrow and then
press enter arrow to test. DVOM should display ap-
proximately 21 volts. Press the down arrow to continue.
A4.1.4 SVA3; (optional 3rd accessory solenoid valve
coil) connect the DVOM across coil. Press right arrow
and then press enter arrow to test. Press the down ar-
row to continue.
A4.1.5 ALM2; (incorrect operator sequence alarm out-
put) press the right arrow and then press enter arrow to
test. Alarm should sound. Press the down arrow to con-
tinue.
Press the left arrow to return to A4.1 ACCESS 1 then
down to continue.
A4.1.6 Lamps; (ACCESS 1 lamps) press the right ar-
row and then press enter arrow to test. The lamps
should light.
A4.2 ACCESS 2; To test outputs by ACCESS 2 hy-
draulic module. Press the right arrow to enter the sub-
menus.
A4.2.1 ALM1; (travel alarm output) press the right ar-
row and then press the enter arrow to test. Alarm
should sound. Press the down arrow to continue.
A4.2.3 P; (pump contactor coil) connect the DVOM
across coil. Press the right arrow and then press enter
arrow to test. The DVOM should display approximately
35 volts.
Press the left arrow to return to A4.2 ACCESS 2 then
down to continue.
A4.3 ACCESS 3; To test outputs by ACCESS 3 trac-
tion module. Press the right arrow to enter the sub-
menus.
When testing A4.3.1 L and A4.3.2 FAN2 outputs, the
floorboard must be depressed (DMS1, DMS2 and/or
DMS3 must be closed).
A4.3.1 L; (line contactor) connect the DVOM across
coil. Press the right arrow and then press the enter ar-
Crown 2007 PF15628-49 Rev. 10/09
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