Mazda 3 Workshop Manual page 236

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
• Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
• Verify related service repair
2
information availability.
• Is any related repair information
available?
INSPECT BATTERY
• Turn the ignition switch off.
• Inspect the battery.
3
(See BATTERY INSPECTION.)
• Is the battery normal?
INSPECT POOR INSTALLATION OF
GENERATOR TERMINAL
• Turn the ignition switch off.
4
• Inspect the generator terminal B
installation nut for looseness.
• Is the nut loose?
INSPECT POOR INSTALLATION OF
BATTERY POSITIVE TERMINAL
• Inspect the battery positive terminal for
5
looseness.
• Is the terminal loose?
INSPECT BATTERY CHARGING
CIRCUIT
• Disconnect the generator terminal B.
6
• Measure the voltage between
generator terminal B (wiring harness-
side) and body GND.
• Is the voltage B+?
VERIFY TROUBLESHOOTING OF
DTC P2502 COMPLETED
• Make sure to reconnect all connectors.
7
• Clear DTC from memory using the
WDS or equivalent.
• Start the engine.
Downloaded from
Yes Go to the next step.
No
Yes
No Go to the next step.
Yes Go to the next step.
No
Yes
No Go to the next step.
Yes
No Go to the next step.
Yes Go to the next step.
No
Yes
No Go to the next step.
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Record the FREEZE FRAME DATA on the repair
order, then go to the next step.
Perform repair or diagnosis according to the
available repair information.
• If the vehicle is not repaired, go to the next step.
Replace the battery, then go to Step 7.
(See BATTERY REMOVAL/INSTALLATION
Tighten the generator terminal B installation nut,
then go to Step 7.
Connect the battery positive terminal correctly,
then go to Step 7.
Repair or replace wiring harness between
generator terminal B and battery positive terminal,
then go to the next step.
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION
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