Mazda CX-7 2007 Workshop Manual page 86

DTC P0097[L3 WITH TC]
DTC P0097 Boost air temperature sensor circuit low
• If the PCM detects that the boost air temperature sensor voltage is 0.1 V or less, the PCM determines that
the boost air temperature sensor circuit voltage is low.
Diagnostic support note
DETECTION
• This is a continuous monitor (CCM).
CONDITION
• The MIL illuminates if the PCM detects the above malfunction condition during first drive cycle.
• FREEZE FRAME DATA is available.
• DTCs are stored in the PCM memory.
• Boost air temperature sensor malfunction
• Short to ground circuit between MAP/boost air temperature sensor terminal B and PCM terminal 2N
POSSIBLE
• Connector or terminal malfunction
CAUSE
• PCM malfunction
BOOST AIR TEMPERATURE SENSOR
5
MAP/BOOST AIR TEMPERATURE SENSOR
WIRING HARNESS-SIDE CONNECTOR
D
01-02–44
ON-BOARD DIAGNOSTIC [L3 WITH TC]
3
B
3
A
C B A
PCM
6
4
2N
6
2AV
WIRING HARNESS-SIDE CONNECTOR
2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M
2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N
2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O
2BH 2BD 2AZ 2AV 2AR 2AN 2AJ 2AF 2AB 2X 2T 2P
PCM
2I 2E 2A
2J
2F 2B
2K 2G 2C
2L 2H 2D
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