Mazda Mazda6 Workshop Manual Supplement page 305

STEP
2 INSPECT POOR CONNECTION OF CRUISE
CONTROL SWITCH CONNECTOR
• Turn engine switch to OFF.
• Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
• Is there any malfunction?
3 INSPECT CRUISE CONTROL SWITCH SIGNAL
CIRCUIT FOR SHORT TO GND
• Turn engine switch to OFF.
• Inspect continuity between cruise control
switch terminal B and body GND.
• Is there continuity?
4 INSPECT CRUISE CONTROL SWITCH CIRCUIT
FOR SHORT WITH EACH OTHER
• Turn engine switch to OFF.
• Inspect continuity between cruise control
switch terminals B and C.
• Is there continuity?
5 INSPECT CRUISE CONTROL SWITCH SIGNAL
CIRCUIT FOR OPEN
• Turn engine switch to ON. (Engine OFF)
• Inspect voltage at cruise control switch terminal
B (harness side).
• Is voltage below 1.0 V?
6 INSPECT CRUISE CONTROL SWITCH
• Inspect cruise control switch.
• Is there any malfunction?
7 INSPECT POOR CONNECTION OF PCM
CONNECTOR
• Turn engine switch to OFF.
• Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
• Is there any malfunction?
8 INSPECT CRUISE CONTROL SWITCH GND
CIRCUIT FOR OPEN
• Turn engine switch to OFF.
• Inspect continuity between cruise control
switch terminal C and PCM terminal 91.
• Is there continuity?
9 VERIFY TROUBLESHOOTING OF DTC P0564
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from PCM memory using WDS or
equivalent.
• Start engine.
• Is same DTC present?
10 VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
(See F2–86 AFTER REPAIR
• Is there any DTC present?
End Of Sie
ON-BOARD DIAGNOSTIC
INSPECTION
PROCEDURE)
Yes Repair or replace suspected terminal, go to Step 9.
No Go to next step.
Yes Repair or replace harness for short to GND, go to Step 9.
No Go to next step.
Yes Repair or replace harness for short with each other, go to
Step 9.
No Go to next step.
Yes Repair or replace harness for open, go to Step 9.
No Go to next step.
Yes Replace cruise control switch, go to Step 9.
No Go to next step.
Yes Repair or replace suspected terminal, go to Step 9.
No Go to next step.
Yes Go to next step.
No Repair or replace harness for open, go to next step.
Yes Replace PCM, go to next step.
(See F2–64 PCM REMOVAL/INSTALLATION)
No Go to next step.
Yes Go to applicable DTC inspection.
(See F2–87 DTC TABLE)
No Troubleshooting completed.
ACTION
F2–153
F2