Signal too low. Permanent fault: Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied as follows.

Fig 1: Engine Start Verification

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Fig 2: Connecting Connector

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Ignition off.
Reinstall connectors, components etc.
Start the engine and idle it for a minute.
Read off any diagnostic trouble codes (DTCs).

Fig 3: Identifying Scan Tool
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If EFI-121 is stored they should have intermittent status.