Suzuki Vitara (LY) 2016-2017 · Service Manual D16AA · Diagnostic Information and Procedures

DTC P1542

Precautions: General safety (00)

DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
P1542: Engine Oil Pressure Sensor / Switch Circuit (Sensor2)
Low oil pressure is not recognized when ignition is “ON” with engine not running.
(1 D/C detection logic)
•Oil pressure switch-2 and/or its circuit
•ECM
Circuit Diagram
img
[A]: ECM connector (View: [a]) 1. ECM
A1: Oil pressure switch-2 signal circuit 2. Oil pressure switch-2
DTC Troubleshooting
Step Action Yes No
1
Was “Engine and Emission Control System Check” performed?
Go to Step 2.
2
Oil pressure switch-2 signal circuit check
1)Check oil pressure switch-2 signal circuit according to Step 2 of DTC P1541:D16AA.
Is check result OK?
Go to Step 3.
Repair or replace defective wire harness.
3
Oil pressure switch-2 check
1)Check oil pressure switch-2. icon 
Is check result OK?
Replace ECM and recheck DTC. icon 
Replace oil pressure switch-2. icon