D193  D189B
pinD -------------------pinD8 pinV -------------------pinB6 pinK -------------------pinC6 pinL -------------------pinD6 pinM -------------------pinD7 pinh -------------------pinB7 pinj --------------------pinB8

1)  If you find a problem with the wiring, then do these steps: a) Repair the wiring. b) Re-install the weather radar receiver/transmitter, M101. To install it, do this task:
Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801.
EFFECTIVITY SIL ALL  34-43 TASK 804 
D633A103-SIL BOEING PROPRIETARY -Copyright # Unpublished Work -See title page for details  Page 220 Feb 15/2011 

c)  Re-install the weather radar control panel. To install it, do this task: AMM TASK 34-43-91-400-801.
2)  Do this task: Weather Radar (WXR) System -Operational Test, AMM TASK 34-43-00-710-802-001 or Weather Radar (WXR) System -Operational Test, AMM TASK 34-43-00-710-803-002.
a)  If the weather radar operational test passes, then you corrected the fault.
SIL 014, 015, 020
(3)  Do this check of the wiring between the weather radar control panel and the Left (Right) weather radar receiver/transmitter:
(a)  
Remove the Left (Right) weather radar receiver/transmitter, M101 (M460). To remove it, do this task: Weather Radar Receiver/Transmitter Removal, AMM TASK 34-43-41-000-801.

(b)  
Remove the weather radar control panel. To remove it, do this task: Weather Radar Control Panel Removal, AMM TASK 34-43-91-000-801.

(c)  
Do a wiring check between the Left (Right) weather radar receiver/transmitter connector D189B (D673B) and the weather radar control panel connector D193 (D2925)(WDM 34-41-11).

D193 (D2925)  D189B (D673B)
pinV -------------------pinB6 pinK -------------------pinC6 pinL -------------------pinD6 pinM -------------------pinD7 pinh -------------------pinB7 pinj --------------------pinB8

1)  If you find a problem with the wiring, then do these steps: a) Repair the wiring. b) Re-install the Left (Right) weather radar receiver/transmitter, M101 (M460). To
install it, do this task: Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801. c) Re-install the weather radar control panel. To install it, do this task: AMM TASK 34-43-91-400-801. 2) Do this task: Weather Radar (WXR) System -Operational Test, AMM TASK 34-43-00-710-802-001. a) If the weather radar operational test passes, then you corrected the fault.
-------------------------END OF TASK ---------------------------
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805. Weather Radar Cooling Problem -Fault Isolation
A.  Description
(1) The weather radar receiver/transmitter has found a fault with the cooling system.
B.  Possible Causes
(1)  
Weather radar receiver/transmitter mount, M1209.

(2)  
Left (Right) Weather radar receiver/transmitter mount, M103 (M2673).

SIL 014, 015, 020
EFFECTIVITY

34-43 TASKS 804-805
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(3)  Weather radar receiver/transmitter, M101.
SIL 014, 015, 020
(4)  Left (Right) Weather radar receiver/transmitter, M101 (M460).
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C.  Circuit Breakers
(1)  These are the primary circuit breakers related to the fault:
CAPT Electrical System Panel, P18-3
Row Col Number Name

SIL 014, 015, 020
C 7 C01678 WEATHER RADAR RT RIGHT
F/O Electrical System Panel, P6-1
Row Col Number Name

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D 13 C00120 WEATHER RADAR RT
D.  Related Data
(1)
(SSM 34-41-11).

(2)
(WDM 34-41-11).

E.  Initial Evaluation
(1)  Do this task: Weather Radar (WXR) System -Operational Test, AMM TASK 34-43-00-710-802-001 or Weather Radar (WXR) System -Operational Test, AMM TASK 34-43-00-710-803-002.
　
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