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Home >> Mazda >> 2014 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Check Code Inspection >> Check code 53

Check code 53

CODE INSPECTION CONDITION CHART

Check code 53 Ambient temperature
STEP INSPECTION CONDITION DISPLAY ACTION
1 With auto A/C or without setting ambient temperature sensor 
Select check code 53.
nonE Instrument cluster is normal.
With manual A/C 
Select check code 53 with the ambient temperature sensor connector disconnected.
1000
|
1023
Go to the next step.
Except above. Go to Step 6.
2 Connect the terminals 1I and 2P of the instrument cluster. 0000
|
0100
Go to the next step.
Except above. Go to Step 6.
3 Using the SST  (Fuel and thermometer checker) or resistor, input 42.0 kilo ohms  between instrument cluster terminals 1I and 2P. 0950
|
0980
Go to the next step.
Except above. Go to Step 6.
4 Using the SST  (Fuel and thermometer checker) or resistor, input 6.6 kilo ohms  between instrument cluster terminals 1I and 2P. 0720
|
0780
Go to the next step.
Except above. Go to Step 6.
5 Using the SST  (Fuel and thermometer checker) or resistor, input 385 ohms  between instrument cluster terminals 1I and 2P. 0130
|
0150
Inspect the ambient temperature sensor.
Except above. Go to the next step.
6 Inspect the wiring harness and connector between instrument cluster and ambient temperature sensor.
  • If there is any malfunction, repair or replace the wiring harness or connector.
  • If there is no malfunction, replace the instrument cluster.