Chapter 1 Troubleshooting
1-67
FIP-27 PHD Life Over (Replace Imaging Unit)
Step Check Yes No
1
Initial check
Check the following for damage.
Imaging Unit (PHD) condition
PWBA CRUM in Imaging Unit (PHD) condition
Replace the parts
concerned Go to step [2]
2
Check PWBA CRUM for connection
Is PWBA CRUM connector connected to the harness
connector normally?
Go to step [3]
Replace
HARNESS ASSY
CRUM
3Check HARNESS ASSY CRUM for continuity
J170 <=> J71check continuous? Go to step [4]
Replace
HARNESS ASSY
CRUM
4Check HARNESS ASSY EEPROM for continuity
P71 <=> J140 check continuous? Go to step [5]
Replace
HARNESS ASSY
EEPROM
5
Check Imaging Unit (PHD)
Replace new Imaging Unit (PHD), and check if an error
occurs.
Replace PWBA
HNB MCU End of work