10. Check For Coolant Leak

Apply pressure to the cooling system with a tester, and check if the pressure drops.

1. Testing pressure: 157 kPa (1.6 kg/cm ² , 23 psi) 

OK or NG 

OK: GO TO 11.

NG: GO TO 10.

Fig 1: Pressure checking Cooling System

Courtesy of NISSAN MOTOR CO., U.S.A.