Mazda 3 Workshop Manual page 556

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
Connect the WDS or equivalent to the
DLC-2.
Do the following conditions appear?
• The engine is not completely started.
• DTC P1260 is displayed.
Does the engine stall after approx. 2
2
s since the engine is started?
Is the coil connector securely connected
3
to the coil?
4 Does the security light illuminate?
Connect the WDS or equivalent to the
DLC-2 and retrieve DTC.
Are any of following DTCs displayed?
5
DTC
B1213, B1600,B1601, B1602, B1681,
B2103,B2139,B2141, B2431,U2510
Inspect for the following wiring
harnesses and connectors:
• Between coil terminal A and instrument
cluster terminal 2Q
6
• Between coil terminal B and instrument
cluster terminal 2S
Is there any malfunction?
Inspect for the following wiring
harnesses and connectors:
• Between PCM terminal 1AI and
instrument cluster terminal 1O
7
• Between PCM terminal 1AM and
instrument cluster terminal 1M
Is there any malfunction?
Verify the following:
• Vacuum connection
8
• Air cleaner element
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Go to the next step.
Go to the next step.
Immobilizer system is normal.
Go to Step 10.
Go to the next step.
Connect the coil connector securely.
Return to Step 2.
Go to the next step.
Inspect the instrument cluster and wiring
harness.
Go to the appropriate DTC inspection.
(See DTC TABLE [LF].)
Go to the next step.
Repair or replace the suspected wiring
harness and connector.
Go to the next step.
Repair or replace the suspected wiring
harness and connector.
Go to the next step.
Go to the next step.
Service if necessary.
Repeat Step 8.
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