Hyundai Tucson: Ignition System / Description and Operation

Hyundai Tucson (LM) 2010-2015 Service Manual / Engine Electrical System / Ignition System / Description and Operation

Description

Ignition timing is controlled by the electronic control ignition timing system.

The standard reference ignition timing data for the engine operating conditions are pre-pro grammed in the memory of the ECM (Engine Control Module).

The engine operating conditions (speed, load, warm-up condition, etc.) are detected by the various sensors. Based on these sensor signals and the ignition timing data, signals to interrupt the primary current are sent to the ECM.

The ignition coil is activated, and timing is controlled.

Ignition System

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Repair procedures

On-vehicle Inspection Inspect ignition coil assembly and Perform spark test 1. Check for DTCs. • If a DTC is present, perform troubleshooting in accordance with the ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: AVN Head Unit Repair procedures
Removal • Take care not to scratch the center fascia panel and related parts. • Eject all the disc before removing the AVN head unit to prevent damaging the CD player's load mechanism. 1. Disconnect the negative (-) battery terminal. 2. Remove the haza ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Repair procedures
Inspection Check it by the procedure below to see if the function of the ECM is normal. 1. Turn the ignition key to the "ON" position. 2. Cover the forward facing sensor. 3. Head a light to the rearward looking sensor. 4. The ECM should be darkened as soon as the rearward looking se ...