NO. 10 OIL PRESSURE GAUGE INDICATION IS DEFECTIVE (OIL
PRESSURE GAUGE NEEDLE DOES NOT MOVE FROM THE L POSITION OR
LESS)
OIL PRESSURE GAUGE INDICATION IS DEFECTIVE POSSIBLE CAUSE TABLE
DIAGNOSTIC PROCEDURE
DIAGNOSTIC PROCEDURE
8
Disconnect the negative battery cable.
Measure the resistance between the instrument
cluster connector terminals 1J and 1L.
Is the resistance
114-126 ohms
?
Yes
Inspect the wiring harness and CAN
system-related module. Repair or
replace the malfunctioning part.
No
Replace the instrument cluster.
10
Oil pressure gauge indication is defective (oil pressure gauge needle does not
move from the L position or less)
POSSIBLE
CAUSE
PCM malfunction
Instrument cluster malfunction
Oil pressure switch malfunction
Connector or pin malfunction
Short circuit in wiring harness between CAN-L, CAN-H and GND
Open circuit in CAN wiring harness (CAN-L, CAN-H)
CAN wiring harness (CAN-L, CAN-H) short each other
STEP
INSPECTION
ACTION
1
Start the engine.
Does the oil pressure gauge needle indicate L
position or more?
Yes Troubleshooting completed.
No
Go to the next step.
2
Do the speedometer, the tachometer, and the
water temperature gauge operate normally?
Yes Go to the next step.
No
Go to Step 5.
3
Does the engine oil need replenishment?
Yes Add the engine oil.
No
Go to the next step.
2007 Mazda MX-5 Miata Sport
2007 ACCESSORIES & BODY, CAB Symptom Troubleshooting (Instrument Cluster) - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:31:09 PM
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