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Engine Oil Pressure Warning Light Symptom Diagnosis
Condition
Engine oil pressure
warning light does not
light up when turning
the ignition switch to
ON position at engine
OFF
Engine oil pressure
warning light stays ON
Brake System Warning Light (Parking Brake Indicator, Brake Fluid Warning
and EBD System Warning Light)
Condition
Brake system warn-
ing light does not light
up (when fluid low
level and/or parking
brake pulled up)
Brake system warn-
ing light does not light
up when cranking
(when in turned posi-
tion)
Brake system warn-
ing light stays ON
Possible Cause
Fuse blown
Wiring or grounding faulty
Engine oil pressure switch faulty
Combination meter faulty
Wiring faulty
Engine oil pressure switch faulty
Possible Cause
Fuse blown
Wiring or grounding faulty
Brake fluid level switch faulty
Parking brake switch faulty
Wiring or grounding faulty
Ignition switch faulty
Combination meter faulty
Wiring or grounding faulty
Brake fluid level faulty
Brake fluid level switch faulty
Parking brake switch faulty
ABS control module faulty
INSTRUMENTATION/DRIVER INFORMATION 8C-3
Correction
Replace fuse to check for short.
Repair circuit.
Check engine oil pressure switch
referring to "Engine Oil Pressure
Switch Inspection" in this section.
Check combination meter circuit
referring to "Combination Meter
Circuit" in this section.
Repair circuit.
Check engine oil pressure switch
referring to "Engine Oil Pressure
Switch Inspection" in this section.
Correction
Replace fuse to check for short.
Repair circuit.
Check brake fluid switch referring
to "Brake Fluid Level Switch
Inspection" in this section.
Check parking brake switch refer-
ring to "Parking Brake Switch
Inspection" in this section.
Repair circuit.
Check ignition switch referring to
"Ignition (Main) Switch ON-Vehicle
Inspection" in this section.
Check combination meter circuit
referring to "Combination Meter
Circuit" in this section.
Repair circuit.
Check brake fluid level.
Check brake fluid switch referring
to "Brake Fluid Level Switch
Inspection" in this section.
Check parking brake switch refer-
ring to "Parking Brake Switch
Inspection" in this section.
Check ABS control module refer-
ring to "Table – D EBD Warning
Lamp (Brake Warning Lamp)
Check – Lamp Comes "ON"
Steady" in Section 5E.
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