07/11/02 09:37:13 61TA0000_190_0130
VSA System Components
DTC Troubleshooting (cont'd)
DTC 107-22:
Central Processing Unit (CPU)
Internal Circuit Malfunction
1. Turn the ignition switch to LOCK (0) to cool the VSA
modulator-control unit, and wait 1 hour or more.
2. Turn the ignition switch to ON (II).
3. Clear the DTC with the HDS.
4. Turn the ignition switch to LOCK (0), then turn it to
ON (II) again.
5. Check for DTCs with the HDS.
Is DT C 107 -22 indicated?
YES
−
Go to step 6.
−
NO
The system is OK at this time.
19-130
6. Update the VSA modulator-control unit if it does
not have the latest software (see page 19-140). If
the unit already has the latest software, substitute a
known-good VSA modulator-control unit (see page
19-141).
7. Turn the ignition switch to LOCK (0), then turn it to
ON (II) again.
8. Check for DTCs with the HDS.
Is DT C 107 -22 indicated?
YES
−
Check for loose terminals in the VSA
modulator-control unit 36P connector. If the VSA
modulator-control unit was updated, substitute a
known-good VSA modulator-control unit (see page
19-141), then retest. If the VSA modulator-control
unit was substituted, go to step 1.
−
NO
If the VSA modulator-control unit was
updated, troubleshooting is complete. If the VSA
modulator-control unit was substituted, replace the
original VSA modulator-control unit (see page
19-141). If any other DTCs are indicated, go to the
indicated DTCs troubleshooting.
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