- replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) (Ref. AMM TASK 73-21-60-400-001).
 (b) If the resistance values are out of the specified limits:
 - disconnect the harness J9 from the starter shutoff valve and do a check of the starter shutoff valve resistance between: . pins 1 and 2 (15 to 60 Ohms) . pins 1 and 5 (> 10 Megohms) . pins 1 and ground (> 10 Megohms).
 1 If the resistance values are in the specified limits:
_

 - replace the harness J9 (Ref. AMM TASK 73-21-50-000-042) (Ref. AMM TASK 73-21-50-400-042).
 2 If the resistance values are out of the specified limits:
_

 - replace the starter shutoff valve (Ref. AMM TASK 80-11-20-000-003) (Ref. AMM TASK 80-11-20-400-003).
 B. Do the test given in Para. 3.A.
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 TASK 80-11-00-810-806

 Failure of the Control of the Starter Shutoff Valve Solenoid through the
 Channel B on Engine 1
 1. Possible Causes
_______________

 - ECU (4000KS)

 - harness J10

 - starter shutoff valve

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM 73-21-50-000-043 Removal of the HJ10 Harness
 AMM 73-21-50-400-043 Installation of the HJ10 Harness

R  AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU)(4000KS) AMM 73-21-60-400-001 Installation of the Electronic Control Unit
R (ECU)(4000KS) AMM 73-29-00-710-040 Operational Test of the FADEC on the ground (with Engine Motoring) AMM 80-11-20-000-003 Removal of the Starter Shutoff Valve AMM 80-11-20-400-003 Installation of the Starter Shutoff Valve ASM 74-31/01
 3. Fault Confirmation
__________________

 A. Do the operational test of the FADEC 1B on the ground (with engine motoring) (Ref. AMM TASK 73-29-00-710-040).
 4. Fault Isolation
_______________

 A. If the test gives the maintenance message SAV (SOL), J10, ECU:
 - do a check for open or short to ground of the harness J10 between the ECU (4000KS) and the starter shutoff valve solenoid, pins J10/11, 12 to pins J10/1, 2 (Ref. ASM 74-31/01).
 (1) If the wiring is not correct:

 - repair the above wiring.

 (2) If the wiring is correct:

 - disconnect the harness J10 from the ECU (4000KS) and do a check of the ECU resistance cable between: . pins 11 and 12 (15 to 60 Ohms) . pins 11 and 3 (> 10 Megohms) . pins 11 and ground (> 10 Megohms).
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E F 『 E C F M E E E E 56 E E E (a) If the resistance values are in the specified limits:

 - replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) (Ref. AMM TASK 73-21-60-400-001).
 (b) If the resistance values are out of the specified limits:
 - disconnect the harness J10 from the starter shutoff valve and do a check of the starter shutoff valve resistance between: . pins 1 and 2 (15 to 60 Ohms) . pins 1 and 5 (> 10 Megohms) . pins 1 and ground (> 10 Megohms).
 1 If the resistance values are in the specified limits:
_

 - replace the harness J10 (Ref. AMM TASK 73-21-50-000-043) (Ref. AMM TASK 73-21-50-400-043).
 2 If the resistance values are out of the specified limits:
_

 - replace the starter shutoff valve (Ref. AMM TASK 80-11-20-000-003) (Ref. AMM TASK 80-11-20-400-003).
 B. Do the test given in Para. 3.A.
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 TASK 80-11-00-810-807

 Failure of the Control of the Starter Shutoff Valve Solenoid through the
 Channel A on Engine 2
 1. Possible Causes
_______________

 - ECU (4000KS)

 - harness J9

 - starter shutoff valve

 2. Job Set-up Information
______________________
　
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