Mazda 3 - Page 93

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
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• Is any related repair information available?
No
Go to the next step.
3
INSPECT TP SENSOR CONNECTOR FOR
POOR CONNECTION
• Turn the ignition switch off.
• Disconnect the TP sensor connector.
• Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
• Is there any malfunction?
Yes
Repair or replace the terminal, then go to
Step 8.
No
Go to the next step.
4
INSPECT TP SENSOR CIRCUIT FOR
SHORT TO GND
• Turn the ignition switch off.
• Inspect for continuity between the following
terminals:
- TP sensor terminal A (wiring
harness-side) and body GND
- TP sensor terminal C (wiring
harness-side) and body GND
• Is there continuity?
Yes
Repair or replace the wiring harness for a
possible short to GND, then go to Step 8.
No
Go to the next step.
5
INSPECT TP SENSOR
• Inspect the TP sensor.
(See THROTTLE POSITION (TP) SENSOR
INSPECTION [Z6].)
• Is there any malfunction?
Yes
Replace the TP sensor, then go to Step 8.
(See THROTTLE POSITION (TP) SENSOR
REMOVAL/INSTALLATION [Z6].)
No
Go to the next step.
6
INSPECT PCM CONNECTOR FOR POOR
CONNECTION
• Turn the ignition switch off.
• Disconnect the PCM connector.
• Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
• Is there any malfunction?
Yes
Repair or replace the terminal, then go to
Step 8.
No
Go to the next step.
7
INSPECT TP SENSOR CIRCUIT FOR
OPEN CIRCUIT
• Turn the ignition switch off.
• Inspect for continuity between the following
terminals:
- TP sensor terminal A (wiring
harness-side) and PCM terminal 2W
(wiring harness-side)
Yes
Go to the next step.
No
Repair or replace the wiring harness for a
possible open circuit, then go to the next
step.