- 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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