- if damage is found, repair or replace as required.
- do a cleaning of the connector and receptacle using a bristle brush with stoddard solvent (Material No. CP2011) (Ref. AMM TASK 73-21-50-210-002).
- connect the harness connector to the sensor. Tighten the connector by hand plus one eighth of a turn. If necessary use soft nose pliers.
(2) If the failure message TCC SNSR, J13, ECU is not confirmed but is repetitive:
(a) Do the following trouble shooting at next maintenance opportunity:
- disconnect the CJ13 connector (TCC-A) from the TCC sensor (9 O'Clock).
- do a cleaning of the harness connector using a bristle brush with stoddard solvent (Material No. CP2011) (Ref. AMM TASK 73-21-50-210-002).
- replace the TCC sensor (Ref. AMM TASK 73-21-70-000-002) and (Ref. AMM TASK 73-21-70-400-002).
NOTE : Tighten the connector by hand plus one eighth of a turn.
____ If necessary use soft nose pliers.
1 If the fault continues:
_
- disconnect the harness HJ13 from the ECU (4000KS) connector and the 6 o'clock junction box.
- visually examine the harness connectors for damaged pins or contamination/oxidation.
- if damage is found, repair or replace as required.
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- do a cleaning of the connectors and receptacles using a bristle brush with stoddard solvent (Material No. CP2011) (Ref. AMM TASK 73-21-50-210-002).
2 If the fault continues:
_
- replace the harness CJ13 (Ref. AMM TASK 73-21-50-000-029) and (Ref. AMM TASK 73-21-50-400-029).
3 If the fault continues:
_
- replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).
4 If the fault continues:
_
- replace the harness HJ13 (Ref. AMM TASK 73-21-50-000-046) and (Ref. AMM TASK 73-21-50-400-046).
(3) If the failure message TCC SNSR, J13, ECU is confirmed:
(a) Disconnect the connector (TCC-A) on the harness CJ13 from the TCC R sensor (9 O'Clock): R - do a visual inspection of the harness connector and receptacle. R Look for contamination or oxidation or pins that have damage. R - if you find damage, repair or replace as required. R - clean the connector and receptacle with a bristle brush and R stoddard solvent (Material No. CP2011) (Ref. AMM TASK 73-21-50-
210-002).
R (b) Do a check of the resistance as follows:
- place the positive (+) lead of an ohmmeter on the TCC sensor pin A and the negative (-) lead of the ohmmeter on the TCC sensor pin B. Record as r1.
- place the positive (+) lead of an ohmmeter on the TCC sensor pin B and the negative (-) lead of the ohmmeter on the TCC sensor pin A. Record as r2.
- find the average (r1+r2/2) (2.4 to 4.2 ohms).
1 If the resistance values are out of the specified limits:
_
- replace the TCC sensor (Ref. AMM TASK 73-21-70-000-002) and (Ref. AMM TASK 73-21-70-400-002).
NOTE : Tighten the connector by hand plus one eighth of a
____ turn. If necessary use soft nose pliers.
2 If the resistance values are in the specified limits:
_ NOTE : Tighten the connector by hand plus one eighth of a
____ turn. If necessary use soft nose pliers.
- disconnect the harness CJ13 from the 6 o'clock junction box and do a check of the CJ13 resistance cable between: . pins 5 and 6 (2.4 to 4.2 Ohms) . pins 5 and 4 (> 10 Megohms)
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. pin 5 and ground (> 10 Megohms).
a If the resistance values are out of the specified limits:
_
- replace the harness CJ13 (Ref. AMM TASK 73-21-50-000-029) and (Ref. AMM TASK 73-21-50-400-029).
b If the resistance values are in the specified limits:
_
- disconnect the harness HJ13 from the ECU receptacle and do a check of the resistance between: . pins 7 and 8 (2.4 to 4.2 Ohms) . pins 7 and 17 (> 10 Megohms) . pin 7 and ground (> 10 Megohms).
* If the resistance values are out of the specified limits:
- replace the harness HJ13 (Ref. AMM TASK 73-21-50-000-046) and (Ref. AMM TASK 73-21-50-400-046).
* If the resistance values are in the specified limits:
- replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).
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本文链接地址：A320 Trouble Shooting Manual 排故手册 发动机燃油和控制 1(70)
