Toyota Corolla (E120): Source voltage drop

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Clutch
Preparation Sst Recomended tools Equipment Lubricant ...

Engine mechanical
Preparation Sst Recomended tools Ssm Equipment Exhaust Preparation Equipment ...

How to proceed with troubleshooting
1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtcs and freeze frame data 4 Problem symptom confirmation Symptom does not occur: go to step 5 Symptom occurs: go to step 6 5 Symptom simulation 6 Dtc check There is no output: go to step 7 There is outp ...