mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

No. 5 Oil Pressure Light Does Not Illuminate During Key Up|Page 1282 > < Oil Pressure Warning Lamp/Indicator|Description and Operation
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Oil Pressure Warning Lamp/Indicator: Testing and Inspection
No. 5 Oil Pressure Light Does Not Illuminate During "Key Up"

Flowchart No. 5 Symptom Oil pressure warning light does not illuminate with ignition switch at ON (engine stopped)

Possible cause

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Burnt oil pressure warning light bulb

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Damaged oil pressure switch

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Open or short circuit in wiring harness

^

Poor connection of connector

Step 1

1. Disconnect the oil pressure switch connector.

Ohmmeter Connection

Reference

2. Start the engine and check for continuity between the switch terminal and ground.
3. If correct, go to Step 2.
4. If not as specified, replace the oil pressure switch. 

Step 2

1. Turn the ignition switch to LOCK.
2. Remove the instrument cluster.

 

Bulb Inspection

Action Chart

3. Remove and check the oil pressure warning light bulb

No. 5 Oil Pressure Light Does Not Illuminate During Key Up|Page 1282 > < Oil Pressure Warning Lamp/Indicator|Description and Operation