Mazda MX-5 Miata / Grand Touring. Manual - part 119

 

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Mazda MX-5 Miata / Grand Touring. Manual - part 119

 

 

Fig. 23: Locating DLC-2 Connector 
Courtesy of MAZDA MOTORS CORP. 

2. Start the fuel pump using the "FP" simulation function.  

Not using M-MDS or equivalent  

1. Short the check connector terminal F/P to ground using a jumper wire. 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

Fig. 24: Checking Connector Terminal F/P To Ground Using Jumper Wire 
Courtesy of MAZDA MOTORS CORP.

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

Fig. 25: Identifying F/P Connector Terminal 
Courtesy of MAZDA MOTORS CORP. 

2. Turn the ignition switch to the ON position to operate the fuel pump.  

4. Verify that operation sound is heard from the fuel pump. 

If the operation sound cannot be verified, measure the voltage at fuel pump unit wiring harness-side 
connector terminal B. 

If as specified, inspect the following: 

Fuel pump unit continuity  

If not within the specification, inspect the following: 

Fuel pump unit relay  

Wiring harnesses and connectors between main relay and fuel pump relay  

Wiring harnesses and connectors between fuel pump relay and PCM  

Wiring harnesses and connectors between battery and fuel pump relay  

Wiring harnesses and connectors between fuel pump relay and fuel pump unit 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

Fig. 26: Identifying Fuel Pump Unit Connector Terminal 
Courtesy of MAZDA MOTORS CORP. 

Standard  

B+ (Ignition switch at ON)  

CONTINUITY INSPECTION 

1. Remove the battery cover.  

2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)  

3. Disconnect the fuel pump unit connector. (See FUEL PUMP UNIT REMOVAL/INSTALLATION 

[LF] .) 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

 

 

 

 

 

 

 

Content   ..  117  118  119  120   ..