- do a check and repair the wiring from the WHC 1 (2DG1) to the L sliding window (7DG1) pin B/H to pin A/A.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞30-42-00∞∞∞∞∞∞∞∞∞∞Page 246
Aug 01/05 CES
Heating Coat Resistance Versus Temperature - Fixed Window Film
Figure 208/TASK 30-42-00-991-010
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-105, 151-199, ∞∞30-42-00∞∞∞∞∞∞∞∞∞∞Page 247
201-212, Aug 01/05 CES
R Heating Coat Resistance Versus Temperature - Fixed Window Film Figure 208A/TASK 30-42-00-991-010-A
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 213-299, 301-399, 401-499, ∞∞30-42-00∞∞∞∞∞∞∞∞∞∞Page 248
Aug 01/05 CES
B. Do the test given in para. 3.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞30-42-00∞∞∞∞∞∞∞∞∞∞Page 249
Aug 01/05R
CES Loss of the Power Supply of the Side Windows
1. Possible Causes
_______________
- WHC-1 (2DG1)
- wiring between the WHC 1 pin A/G and the ground terminal
- wiring between the WHC 1 pin B/G and the circuit breaker (4DG1)
- C/B-ANTI ICE/WINDOWS/L (4DG1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 30-42-00-710-001 Operational Test of the Windshield Anti-Icing and Defogging AMM 30-42-34-000-001 Removal of the Window Heat Computer (WHC) (2DG1,2DG2). AMM 30-42-34-400-001 Installation of the Window Heat Computer (WHC) (2DG1,2DG2). ASM 30-42/01
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the windshield anti-icing and defogging (Ref. AMM TASK 30-42-00-710-001).
4. Fault Isolation
_______________
A. Table of the circuit breakers used in this procedure:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU ANTI ICE/WINDOWS/L 4DG1 X14
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞30-42-00∞∞∞∞∞∞∞∞∞∞Page 250
Aug 01/05R
CES
B. If the test gives the maintenance message CHECK WINDOWS WHC 1 SUPPLY:
- do a check of the status of the circuit breaker (4DG1).
(1) If the circuit breaker is closed:
- do a check for 115VAC at pin B/G of the WHC 1 (2DG1) (Ref. ASM 30-42/01).
(a) If there is 115VAC:
- replace the WHC-1 (2DG1), (Ref. AMM TASK 30-42-34-000-001) and (Ref. AMM TASK 30-42-34-400-001).
(b) If there is no 115VAC:
- do a check for a ground signal at pin A/G of the WHC 1 (2DG1). 1 If there is no ground signal:
_
- repair the wiring between the WHC 1 pin A/G and the ground terminal.
2 If there is a ground signal:
_
- do a check of the wiring between the WHC 1 pin B/G and the circuit breaker (4DG1).
a If there is no continuity:
_
- repair the above wiring. b If there is continuity:
_
- replace the circuit breaker (4DG1).
(2) If the circuit breaker is open:
- close the circuit breaker.
(a) If the circuit breaker trips again:
- replace the WHC-1 (2DG1).
1 If the fault continues:
_
- do a check for a short to ground at the wiring between the WHC 1 pin B/G and the circuit breaker (4DG1).
a If there is a short to ground:
_
- repair the related wiring. b If there is no short to ground:
_ - replace the C/B-ANTI ICE/WINDOWS/L (4DG1).
(b) If the circuit breaker stays closed and the fault continues:
- replace the WHC-1 (2DG1).
C. Do the operational test given in Para. 3.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞30-42-00∞∞∞∞∞∞∞∞∞∞Page 251
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