Mazda MX-5 Miata / Grand Touring. Manual - part 170

 

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Mazda MX-5 Miata / Grand Touring. Manual - part 170

 

 

Fig. 3: Identifying Starter Insulator 

2. Degrease the insulator attachment area. 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Starting System - MX-5 Miata

  

Fig. 4: Identifying Insulator Attachment Area 

3. Attach a new insulator to the starter. 

Fig. 5: Identifying New Starter Insulator

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Starting System - MX-5 Miata

  

STARTER INSPECTION [LF] 

ON-VEHICLE INSPECTION 

1. Verify that the battery is fully charged.  

2. The starter is normal if it rotates smoothly and without any noise when the engine is cranked. 

If the starter does not operate, inspect the following: 

Remove the starter, and inspect the starter unit.  

Inspect the related wiring harnesses, the ignition switch, and the transmission range switch 
(AT).  

NO-LOAD TEST 

1. Verify that the battery is fully charged.  

2. Connect the starter, battery and a tester as shown in Fig. 6 .  

3. Operate the starter and verify that it rotates smoothly. 

If the starter does not rotate smoothly, inspect the starter unit.  

4. Measure the voltage and current while the starter is operating. 

If not within the specification, replace the starter.  

Starter no load test voltage  

11 V  

Starter no load test current  

90 A or less  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Starting System - MX-5 Miata

  

Fig. 6: No - Load Test - Circuit Diagram 
Courtesy of MAZDA MOTORS CORP. 

MAGNETIC SWITCH OPERATION INSPECTION 

Pull-out Test 

1. Verify that the starter motor pinion is extended while battery positive voltage is connected to terminal S 

and the starter body is grounded. 

If the starter motor pinion is not extended, repair or replace the starter.  

NOTE:

Depending on the battery charge condition, the starter motor pinion may 
rotate while in an extended state. This is due to current flowing to the 
starter motor through the pull-in coil to turn the starter motor, and does 
not indicate an abnormality.  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Starting System - MX-5 Miata

  

 

 

 

 

 

 

 

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