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GLOW SYSTEM ENGINE ELECTRICAL 16-22 ON-VEHICLE SERVICE GLOW PLUG CHECK <EURO5> M1164003400305 AK403892 AC ( - ) ( + ) 1. Disconnect the glow plug connector. terminal and the body, or the glow plug terminal Standard value: 0.6 − 1.4 Ω (at 20°C) SELF-REGULATING GLOW SYSTEM CHECK <EXCEPT EURO5> M1164001000260 SELF-REGULATING GLOW SYSTEM CHECK − 13 V. 2. Check that the engine coolant temperature is 40 °C or less. NOTE: If the engine coolant temperature is too AK403875 AC ( - ) ( + ) 3. Measure the resistance between the glow plug plate and the glow plug body (earth). Standard value: 0.15 − 0.25 Ω (at 20°C) NOTE: The resistance value is the parallel resist- 4. Connect a voltmeter between the glow plug plate and the glow plug body (earth). 5. Measure the voltage immediately after the ignition switch is turned to ON (without starting the Standard value: 9 − 11 V (Drops to 0 V after 4 − 8 seconds have passed) In addition, check to be sure that the glow indicator NOTE: The time during which the voltage appears 6. Measure the voltage while the engine is cranking. Standard value: 6 V or more 7. Start the engine and measure the voltage while the engine is warming up. °C or when 180 seconds have passed since the engine was started, the voltage will Standard value: 12 − 15 V |