Mazda CX-7 2007 Workshop Manual page 113

DTC P0123 TP sensor No.1 circuit high input
TP SENSOR NO.1
(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
• Turn the ignition switch off.
• Verify that the throttle body connector is
connected securely.
• Is connector normal?
4 INSPECT THROTTLE BODY CONNECTION FOR
POOR CONNECTION
• Disconnect throttle body connector.
• Inspect for poor connection (such as damaged/
pulled-out pins, corrosion).
• Is there any malfunction?
5 INSPECT TP SENSOR
• Perform the TP sensor inspection.
(See01-40-32 THROTTLE POSITION (TP)
SENSOR INSPECTION[L3 WITH TC])
• Is the TP sensor normal?
ON-BOARD DIAGNOSTIC [L3 WITH TC]
5
4
6
B
4
A
4
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
A
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
8
2AO
8
2AK
8
2AP
PCM
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 Go to the next step.
No Connect the connector securely, then go to Step 10.
Yes Repair or replace the suspected wiring terminal, then go to
Step 10.
No Go to the next step.
Yes Go to the next step.
No Replace the throttle body, then go to Step 10.
2I 2E 2A
2J 2F 2B
2K 2G 2C
2L 2H 2D
ACTION
01-02–71
01-02