Diagnostic Information
2-87
5060-XXX
Cover Open/HV Interlock Switch Service Check
"Close Door" is displayed constantly, unable to clear the message
from the display, POR incomplete.
Step
Action and Questions
Yes
No
1
Front Cover and HV Interlock Switches - Check to make
sure both switches are mounted correctly.
Are both switches mounted correctly?
Go to step 2
Check the
Front Cover
and HV
Interlock
Switches to
make sure
they are
mounted
correctly
2
Check the ITU assembly HV interlock switch actuator to
make sure it is not damaged or broken and it actuates the
switch correctly?
Is the actuator damaged or broken?
Replace the
“ITU
Assembly” on
page 4-40
Go to step 3
3
Front Cover Assembly
Does the front cover close correctly?
Go to step 4
Correctly
install the
door or repair
as necessary
4
Front Cover Assembly - Check to make sure the front cover
flag is not broken or damaged.
Is the flag broken or damaged?
Replace the
“Front Cover
Assembly” on
page 4-20
Go to step 5
5
Front Cover/HV Interlock Cable Assembly to Engine Board
Check to make sure that the Cable is correctly connected to
J86 on the Engine Board.
Is the cable connected correctly?
Go to step 6
Install the
cable correctly
6
Front Cover/HV Interlock Cable Assembly - Make sure the
Front Cover is closed and the ITU is correctly installed.
Disconnect the switch cable from J86 on the Engine Board.
Check for continuity between J86-1 and J86-2 on the cable
connector.
Is there continuity?
Replace the
“Engine
Board” on
page 4-13
Replace the
Front Cover/
HV Interlock
Switch/Cable
Assembly
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