Mazda RX-8 Workshop Manual page 2463

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2011 - RX-8 - HVAC
DTC 13
DTC 13 Ambient temperature sensor system inspection
POSSIBLE
CAUSE
Diagnostic Procedure
STEP
INSPECT AMBIENT TEMPERATURE
1
SENSOR
Inspect the ambient temperature sensor.
(See
INSPECTION [FULL-AUTO AIR
Is it normal?
2 INSPECT AMBIENT TEMPERATURE
SENSOR CIRCUIT FOR OPEN CIRCUIT
Disconnect the A/C amplifier connector (16-pin)
and the ambient temperature sensor connector.
Is there an open circuit in the wiring harness
between the following terminals of the A/C
Ambient temperature sensor malfunction
Open circuit in wiring harness between A/C amplifier connector terminal 2M
and ambient temperature sensor connector terminal B
Open circuit in wiring harness between A/C amplifier connector terminal 2N
and ambient temperature sensor connector terminal A
Short to ground in wiring harness between A/C amplifier terminal 2M and
ambient temperature sensor connector terminal B
Connector or terminal malfunction
INSPECTION
AMBIENT TEMPERATURE SENSOR
CONDITIONER].)
ACTION
YesGo to the next step.
No Replace the ambient temperature
sensor.
(See AMBIENT TEMPERATURE
SENSOR
REMOVAL/INSTALLATION [FULL-
AUTO AIR CONDITIONER].)
YesRepair the wiring harness.
No Go to the next step.