Mazda 6 2002, Руководство по ремонту

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TROUBLESHOOTING
F–187
F
Diagnostic procedure
End Of Sie
NO.3 WILL NOT CRANK
A6E398018881W05
Diagnostic procedure
STEP INSPECTION RESULTS ACTION
1 Connect WDS or equivalent to DLC-2.
Retrieve any DTC.
Are there DTC displayed? Yes DTC is displayed:
•
Go to appropriate DTC test.
No No DTC is displayed:
•
Inspect instrument cluster operation.
See Section T.
2 Verify test results.
•
If okay, return to diagnostic index to service any additional symptoms.
•
If malfunction remains, replace PCM.
3 WILL NOT CRANK
DESCRIPTION Starter does not work.
POSSIBLE CAUSE
•
Open starter circuit between ignition switch and starter
•
TR switch malfunction (ATX)
•
TR switch misadjustment (ATX)
•
Low or dead battery.
•
Charging system malfunction.
•
Starter interlock switch malfunction (MTX with starter interlock system).
•
Starter malfunction
•
Seized/hydrolocked engine, flywheel or drive plate
•
Immobilizer system (PATS) and/or circuit malfunction (if equipped).
STEP INSPECTION RESULTS ACTION
1 Note
•
The following test should be perform for
vehicles with immobilizer system. Go to
Step 10 for vehicles without immobilizer
system.
Connect WDS or equivalent to DLC-2.
Do following conditions appear?
•
Engine is not completely started.
•
DTC B1681 is displayed.
Yes Both conditions appear:
Go to Step 4.
No Either or other condition appears:
Go to next step.
2 Is coil connector securely connected to coil? Yes Go to next step.
No Connect coil connector securely.
Return to Step 1.
3 Does security light illuminate? Yes Go to next step.
No Inspect instrument cluster and wiring harness.
4 Connect WDS or equivalent to DLC-2 and
retrieve DTC.
DTC
B1213, B1342, B1600, B1601, B1602, B1681,
B2103, B2431
Yes Go to appropriate DTC test.
No Go to next step.
5 Is there continuity between PCM GND terminals
4X, 2AB, 2AC and GND? Yes Go to next step.
No Repair or replace wiring harness.
6 Measure voltage between PCM GND terminals
4X, 2AB, 2AC and coil terminal C.
Is the voltage
below 1.0?
Yes Go to next step.
No Repair or replace wiring harness.
7 Turn ignition switch ON position.
Access VPWR PID.
Is VPWR PID okay?
Specification
Battery voltage
Yes Go to next step.
No Repair or replace wiring harness.
8 Disconnect coil connector.
Turn ignition switch to ON position.
Is there battery voltage at coil connector terminal
D (harness-side)? Yes Inspect for following:
•
Open or short circuit between coil terminal A and
PCM terminal 2Q.
•
Open or short circuit between coil terminal B and
PCM terminal 2T.
No Repair or replace wiring harness between coil
connector terminal D and fuse panel.