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Engine Electrical (J37A4)

ENGINE ELECTRICAL (J37A4) STANDARDS AND SERVICE LIMITS

Item Measurement Qualification Standard or New Service Limit
Ignition coil Rated voltage   12V
Firing order   1-4-2-5-3-6
Spark plug Type DENSO SXU22HCR11S
Gap   1.0-1.1 mm (0.039-0.043 in) -
Ignition timing At idle
Check the red mark
In N or P 10 ± 2°BTDC
Drive belt Tension   Auto-tensioner
Alternator Output At 13.5 V and normal engine temperature 130A
Coil (rotor) resistance At 68°F (20°C) 2.5 Ω
Slip ring O.D.   14.4 mm (0.57 in) 14.0 mm (0.55 in)
Brush length   10.5 mm (0.41 in) 1.5 mm (0.06 in)
Brush spring tension   3.24 N (0.33 kgf, 0.73 lbf) -
Starter (M/T) Output   1.6 kW
Commutator mica depth   0.4-0.5 mm (0.016-0.020 in) 0.15 mm (0.006 in)
Commutator runout   0.02 mm (0.001 in) max. 0.05 mm (0.002 in)
Commutator O.D.   28.0-28.1 mm (1.102-1.106 in) 27.5 mm (1.08 in)
Brush length   15.8-16.2 mm (0.62-0.64 in) 11.0 mm (0.43 in)
Starter (A/T) Output   1.8 kW
Commutator mica depth   0.50-0.90 mm (0.020-0.035 in) 0.20 mm (0.008 in)
Commutator runout   0.02 mm (0.001 in) max. 0.05 mm (0.002 in)
Commutator O.D.   28.9-29.0 mm (1.138-1.142 in) 28.0 mm (1.10 in)
Brush length   15.0-16.0 mm (0.59-0.63 in) 9.0 mm (0.35 in)
Brush spring tension   22.26-27.07 N (2.27-2.76 kgf, 5.00-6.08 lbf) -