Mazda MX-6 1998, Workshop Manual

Page: 1120 / 1282

TROUBLESHOOTING [INSTRUMENTATION/DRIVER INFO.]
14
Oil pressure warning light remains illuminated (engine running)
TROUBLESHOOTING HINTS
Malfunction in oil pressure warning light operation circuit
© Oil pressure warning light remains illuminated
• Oil pressure switch malfunction
• Print plate malfunction
• Low oil pressure
• Malfunction in wiring harness between instrument cluster and oil pressure switch
STEP
INSPECTION
ACTION
Disconnect oil pressure switch connector.
Start engine.
Check for continuity between terminal A at oil
pressure switch and ground.
Is there continuity?
W6U901WVQ
Yes Go to step 3.
No
Go to next step.
Stop engine.
Remove meter hood.
Remove instrument cluster.
Check for continuity between terminal 3H at
instrument cluster (14-pin) connector of wiring
harness and ground.
Is there continuity?
Yes
Repair wiring harness between instrument cluster and oil
pressure switch.
No Replace print plate.
c r 0 9 -2 2 INSTRUMENT CLUSTER
DISASSEMBLY/ASSEMBLY
3 H r i. i Ï T 4 - 1 I I I I I n
W 6 U 9 0 1 W V R
Measure engine oil pressure.
c r 01-11 OIL PRESSURE INSPECTION
Is engine oil pressure okay?______________
Yes Replace oil pressure switch.
No Check for cause and repair or replace as necessary.
0 9 -0 1 P -2 4