Dtc P0223[L3 With Tc] - Mazda CX-7 2007 Workshop Manual

DTC P0223[L3 WITH TC]

DTC P0223 TP sensor No.2 circuit high input
• If the PCM detects that the TP sensor No.2 voltage is above 4.85 V after the ignition switch to the ON
position, the PCM determines that the TP circuit has a malfunction.
Diagnostic support note
DETECTION
• This is a continuous monitor (CCM).
CONDITION
• MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
• FREEZE FRAME DATA is available.
• DTCs are stored in the PCM memory.
• TP sensor malfunction
• Connector or terminal malfunction
POSSIBLE
• Open circuit between throttle body terminal D and PCM terminal 2AP
CAUSE
• Short to power supply between throttle body terminal C and PCM terminal 2AL
• PCM malfunction
TP SENSOR NO.2
(THROTTLE BODY)
THROTTLE BODY
HARNESS SIDE CONNECTOR
D
Diagnostic procedure
STEP
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has the FREEZE FRAME DATA been
recorded?
2 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins and/or on-
line repair information availability.
• Is any related repair information available?
3 INSPECT THROTTLE BODY CONNECTOR FOR
POOR CONNECTION
• Disconnect the throttle body connector.
• Inspect for poor connection (such as damaged/
pulled-out pins, corrosion).
• Is there any malfunction?
ON-BOARD DIAGNOSTIC [L3 WITH TC]
5
3
B
3
5
C
3
6
D
2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M
2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N
C B
2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O
2BH 2BD 2AZ 2AV 2AR 2AN 2AJ 2AF 2AB 2X 2T 2P
INSPECTION
PCM
7
2AO
7
2AL
7
2AP
PCM
WIRING HARNESS SIDE CONNECTOR
Yes Go to the next step.
No Record FREEZE FRAME DATA on the repair order, then go
to the next step.
Yes Perform the repair or diagnosis according to the available
repair information.
• If the vehicle is not repaired, go to the next step.
No Go to the next step.
Yes Repair or replace the suspected terminal, then go to Step
8.
No Go to the next step.
id010239806100
2E 2A
2I
2J
2F 2B
2K 2G 2C
2L 2H 2D
ACTION
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01-02