Oil Pressure Check

WARNING:

Be careful not to burn yourself, as the engine and engine oil may be hot.
Put the selector lever in the Park (P) position (A/T models) or Neutral position (M/T models), and apply parking brake securely.

Check engine oil level. Refer to [Engine Oil: Inspection ].
Remove engine undercover using power tool. Refer to [FRONT BUMPER: REMOVAL AND INSTALLATION ].
Disconnect the oil pressure switch harness connector.
Remove oil pressure switch using a suitable tool. Refer to ENGINE UNIT: EXPLODED VIEW
CAUTION: Do not drop or shock oil pressure switch.
Install Tools.

Fig 1: Identifying ST25051001 (J-25695-1) And ST25052000 (J-25695-2)
Courtesy of SUZUKI OF AMERICA CORP.

Tool numbers: ST25051001 (J-25695-1)

: ST25052000 (J-25695-2)
Start the engine and warm it up to normal operating temperature.
Check the engine oil pressure with engine running under no-load. Refer to SERVICE DATA AND SPECIFICATIONS
CAUTION:
- If the difference is extreme, check the oil passages and oil pump for leaks and blockages.
- It is impossible to replace or adjust oil pump because oil pump is manufactured with balancer unit. If any malfunction is found on oil pump, replace balancer unit as an assembly.
After the inspections, install oil pressure switch as follows:
1. Remove old liquid gasket adhering to oil pressure switch and the engine.
2. Apply liquid gasket and tighten oil pressure switch to the specification.
  Use Genuine RTV Silicone Sealant or equivalent. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .
  
  Oil pressure switch torque: 14.7 N.m (1.5 kg-m, 11 ft-lb)
3. After warming up engine, make sure there is no leakage of engine oil with running engine.