Alternator and ignition system (4G9) The generator and ignition system of the SOHC engine with the ignition distributor are shown in fig. 4.1. Pic. 4.1. SOHC Engine Alternator and Ignition System with...
Generator — Checking Elements Rotor 1. Check the field winding for electrical conductivity. Make sure there is continuity between the slip rings. If the resistance is very low, this indicates a short...
Starter — design description The direct drive starter is shown in fig. 7.20, and a starter with a planetary drive - in fig. 7.21. Pic. 7.20. Direct drive starter: 1, 5, 6 - Bolts; 2 - Traction...
Check of the traction relay of a starter 1. Disconnect the excitation coil contacts from the M terminal of the traction relay. 2. Connect the battery between the S terminal and the car body (pic. 7.17). Pic....
Checking the starter freewheel mechanism 1. While holding the starter with a special tool, connect the battery to the starter. 2. Connect a 100 A ammeter and carbon plate rheostat between the positive pole of...
Checking the starter manifold 1. Place the anchor on two wooden stands and measure the runout with a dial gauge (pic. 7.22). Limit value: 0.05 mm. Pic. 7.22. Collector Runout Check 2. Measure the...
Checking the starter armature 1. Place the anchor on the tester. 2 Hold the steel plate parallel and directly above the anchor while rotating the anchor in the tester (pic. 7.26). If the anchor is...
4G1 engine ignition system Opening the primary circuit current at the ignition coil generates a high voltage on the secondary side of the ignition coil. This high voltage is transmitted by the...
4G9 engine ignition system The ignition system is equipped with two ignition coils (A and B) and power transistors for the 1st, 4th cylinders and for the 2nd, 3rd cylinders. Interruption of...
Checking the ignition coils of the 4G1 engine 1. Measure the resistance of the primary coil. Measure the resistance between terminals 1 and 2 of the ignition distributor (pic. 7.31). Set value: 0.5-0.7 ohm. Pic....
4G1 Motor Power Transistor Test Attention! When checking, use an analog voltmeter. Connect the negative wire of the voltmeter to terminal 2 (pic. 7.32). This check is very fast (within 10 seconds), so...
Checking the resistance of the high voltage wire Check the resistance of all spark plug wires (pic. 7.35). Maximum allowable value: maximum 22 kOhm. Pic. 7.35. Checking the resistance of the high voltage wire
4G1 engine ignition distributor Removal and installation of the distributor of ignition of the engine 4G1 are shown in fig. 7.36, disassembly and assembly - in fig. 7.37. Pic. 7.36. Removal and...
Camshaft position sensor and crankshaft angle sensor The camshaft position sensor and the crankshaft angle sensor are shown in fig. 7.40. Pic. 7.40. Camshaft Position Sensor and Crank Angle Sensor: 1 - Crank angle sensor;...
Engine knock sensor 4G9 The 4G9 engine knock sensor is shown in fig. 7.41. Pic. 7.41. Engine knock sensor 4G9: 1 - Engine knock sensor