1. Turn off ignition and pull off multiple pin plug (35-pin) (2) on electronic control unit (1 > Control unit remains installed.
2. Connect multiple pin plug (2) of electronic control unit with plug (3) of tester.
3 Connect plug (4) ol tester on electronic control unit (1) so that spring-loaded lock is heard to engage on plug,
4. Turn on ignition; all other electric equipment must be switched off.
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