Cooling system cap valve opening pressure
93.2-122.6 kPa {0.95-1.25 kgf/cm
2
, 13.5-17.8 psi}
Thermostat initial-opening temperature
80-84°C {176-183°F}
Thermostat full-open temperature
97°C {207°F}
Thermostat full-open lift
More than 8.0 mm {0.31 in}
Cooling fan motor current
High: 9.0-12.0 A
Middle: 6.4-9.4 A
Low: 4.8-7.8 A
Fuel line pressure
350-410 kPa {3.57-4.18 kgf/cm
2
, 50.8-59.4 psi}
Fuel hold pressure
250 kPa {2.55 kgf/cm
2
, 36.2 psi} or more
Fuel injector resistance
11.4-12.6 ohms [20°C {68°F}]
Fuel injector leakage amount
Less than 1 drop/2 min
Fuel injection volume
204-216 ml {204-216 cc, 12.5-13.1 cu in}/min
Battery electrolyte specific gravity [20°C {68°F}]
1.22-1.29
Battery load test current
46B24L (36): 135 A
Battery back-up current
Vehicles with immobilizer system: 25-45 mA
Vehicles without immobilizer system: 30 mA or less
Battery slow charge current
46B24L (36): 3.5-4.5 A
Battery quick charge current [30 min,]
46B24L (36): 25 A
Generator standard voltage [IG-ON]
Terminal B: B+
Terminal P: Approx. 1 V or less
Terminal D: Approx. 0 V
Generator standard voltage [Idle, 20°C {68°F}]
Terminal B: 13-15 V
Terminal P: Approx. 3-8 V
Terminal D: Turn the electrical loads (headlights,
blower motor, rear window defroster) on and verify
that the voltage reading increases.
Generator generated current minimum value
70% of the nominal output current (nominal output
current: 100 A)
[ambient temp. 20°C {68°F}, voltage 13.0-15.0 V,
both engine and generator are hot]
Generator rotor resistance (between slip rings) [20°
C {68°F}]
2.0-2.3 ohm
Generator brush length
Standard: 22.5 mm {0.89 in}
Minimum: 5.0 mm {0.20 in}
Generator brush spring force
Standard: 4.1-5.3 N {0.42-0.54 kgf, 0.92-1.19 lbf}
Minimum: 1.7 N {0.17 kgf, 0.38 lbf}
1-3-4-2 (all cylinders independent firing)
2007 Mazda MX-5 Miata Sport
2007 ENGINE Technical Data - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:22:55 PM
Page 2
© 2005 Mitchell Repair Information Company, LLC.
