Failure of the sensor of provision of a camshaft, and also mechanical violation of phases of rotation cranked and the camshafts, connected with shift or break of a belt of a drive of GRM can be the reason of failure of installation of a corner of an advancing of ignition, - the description of procedures of service of components of the mechanism of a drive of GRM is provided in Heads the Current leaving and service and the Engine.
Cock the parking brake.
Start the engine, warm up it to normal working temperature and leave working at single turns.
Disconnect everything onboard consumers of the electric power.
Connect to the engine the tachometer/scanner and make sure of correctness of installation of turns of idling (see. Head Current leaving and service).
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Operating according to instructions of manufacturers, connect a stroboscope to VV to a wire of a spark plug of the first cylinder and on combination of labels of a pulley of a cranked shaft and a scale on a cover of a drive of GRM make sure of correctness of installation of a corner of an advancing of ignition.
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If the result of measurement falls outside the limits an admissible range (6 ° ± 6 ° before VMT on single turns), replace ECM, - manual adjustment of a corner of an advancing of ignition by a design of system of ignition is not provided.
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