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Chapter 1 Troubleshooting
FIP2.13 PWBA EXIT MOTOR (PL12.1.4)
Step
Check Yes No
Possible causative parts:
PWBA EXIT MOTOR (PL12.1.4)
HARNESS ASSY LVPS (PL12.1.1)
LVPS (PL12.1.5)
HVPS/MCU (PL12.1.19)
1
Checking HARNESS ASSY LVPS for continuity
Disconnect P/J27, P/J10, P/J102 and P/J101 from
HARNESS ASSY LVPS.
Are the following continuous normally?
J27 <=> J102
Go to step 2.
Replace
HARNESS ASSY
LVPS.
2
Checking PWBA EXIT MOTOR power source voltage
Disconnect P/J101 from PWBA EXIT MOTOR.
Is the voltage across J101-2 <=> J101-1, 24 VDC?
Go to step 3.
Replace LVPS.
(RRP12.3)
3
Checking PWBA EXIT MOTOR
Replace PWBA EXIT MOTOR. (RRP12.2)
Is the problem cleared, after replacement?
End of work
Replace
HVPS/MCU.
(RRP12.10)