Coupler (pin holder) damage
Pin discoloration (blackness)
If there are no problems, proceed to next investigation below.
Standard Power Supply System Inspection For Variable Resistance Type 1
Confirm that the #3 terminal is at
5 V
.
If the measured voltage on the #3 terminal is
5 V
, inspect the following points on the sensor
connector.
If there is no problem, inspect for the following:
Female terminal opening is loose.
Coupler (pin holder) damage
Pin discoloration (blackness)
If the #3 terminal measures other than
5 V
, inspect for the following:
Open or short circuit in wiring harness
Harness/pin crimp is loose or disconnected.
GND System Inspection For Variable Resistance Type 1
Confirm that terminal sensor #5 is at
0 V
.
If it is at
0 V
, inspect the sensor.
If necessary, replace the sensor.
If not, inspect for the following:
Open or short circuit in wiring harness
Female terminal opening is loose causing an open or short circuit in wiring harness
Coupler (pin holder) damage
Pin discoloration (blackness)
Harness/pin crimp is loose or disconnected.
Variable Resistance Type 2 (Mass Air Flow (MAF) Sensor and VSS)
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
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