Mazda 3 Workshop Manual page 457

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
• The following test should be
performed for vehicles with
immobilizer system. Go to Step
8 for vehicles without
immobilizer system.
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 the 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 1W and
instrument cluster terminal 1O
7
• Between PCM terminal 1S and
instrument cluster terminal 1M
Is there any malfunction?
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Either or other condition appears:
Go to the next step.
Go to the next step.
The immobilizer system is normal.
Go to Step 8.
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 [Z6].)
Go to the next step.
Repair or replace the wiring harness and
connector.
Go to the next step.
Repair or replace the wiring harness and
connector.
Go to the next step.
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