СИСТЕМА ПРЕДПУСКОВОГО ПОДОГРЕВА ПРОВЕРКА БЕЗ СНЯТИЯ С АВТОМОБИЛЯ

PROCEDURE

1. INSPECT ILLUMINATION DURATION OF GLOW INDICATOR LIGHT

   
   
   1. 

      *a	Light Illumination Duration
      *b	Engine Coolant Temperature

      Inspect the light illumination duration.

      
      

      1. Turn the ignition switch to ON, and then measure the light illumination duration.

         Light illumination duration
         Refer to the graph.

      2. Turn the ignition switch off.

         Tech Tips

         Actual light illumination duration may vary slightly from the graph.

         If the result is not as specified, inspect the ECM, engine coolant temperature sensor, glow plug assembly and glow relay.

2. INSPECT PRE-HEATING

   
   
   1. 

      *a	Pre-heating Time
      *b	Battery Voltage

      Inspect the pre-heating time.

      
      

      1. Turn the ignition switch to ON. Measure how long it takes for battery voltage to be applied to the glow plug assemblies.

         Standard Time
         Engine Coolant Temperature Pre-heating Time 40°C (104°F) or higher 1 second below 40°C (104°F) Refer to the graph (maximum: 15 seconds)

      2. Turn the ignition switch off.

         If the result is not as specified, inspect the ECM, engine coolant temperature sensor, glow plug assembly and glow relay.

   2. Turn the ignition switch to START. Check that battery voltage is applied to the glow plug assemblies.

   3. While cranking the engine, measure how long it takes for battery voltage to be applied to the glow plug assemblies.

      Standard Time
      Engine Coolant Temperature Pre-heating Time 40°C (104°F) or higher 1 second below 40°C (104°F) Refer to the graph (maximum: 15 seconds)

      If the result is not as specified, inspect the ECM, engine coolant temperature sensor, glow plug assembly and glow relay.

3. INSPECT AFTER GLOW TIME

   
   

   1. Inspect the afterglow time.

      

      *a	Component with harness connected (ECM)	*b	After Glow Time
      *c	Engine Coolant Temperature	-	-

      
      

      1. After the engine starts, measure how long it takes for battery voltage to be applied to terminals G84-15 (GREL) and C56-7 (E1) of the ECM.

         Standard Time
         Tester Connection Specified Condition G84-15 (GREL) - C56-7 (E1) Refer to the graph

         If the result is not as specified, inspect the ECM, engine coolant temperature sensor, glow plug assembly and glow relay.