Mazda Mazda6 - Page 313

ON-BOARD DIAGNOSTIC
F2–161
F2
End Of Sie
3 INSPECT NEUTRAL SWITCH FOR CLOSE
STUCK
• Turn engine switch to ON (Engine OFF).
• Disconnect neutral switch connector.
• Access CPP/PNP PID using WDS or
equivalent.
• Is CPP/PNP PID OFF?
Yes Replace neutral switch, go to Step 10.
No Go to next step.
4 INSPECT NEUTRAL SWITCH SIGNAL CIRCUIT
FOR SHORT TO GND
• Turn engine switch to OFF.
• Inspect continuity between neutral switch
terminal A and body GND.
• Is there continuity?
Yes Repair or replace harness for short to GND, go to Step 10.
No Go to next step.
5 INSPECT POOR CONNECTION OF NEUTRAL
SWITCH CONNECTOR
• Turn engine switch to OFF.
• Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
• Is there any malfunction?
Yes Repair or replace suspected terminal, go to Step 10.
No Go to next step.
6 INSPECT NEUTRAL SWITCH FOR OPEN
STUCK
• Turn engine switch to ON (Engine OFF).
• Disconnect neutral switch connector.
• Connect jumper wire between neutral switch
connector terminals.
• Access CPP/PNP PID using WDS or
equivalent.
• Is CPP/PNP PID ON?
Yes Replace neutral switch, go to Step 10.
No Go to next step.
7 INSPECT NEUTRAL SWITCH GND CIRCUIT
FOR OPEN
• Turn engine switch to OFF.
• Inspect continuity between neutral switch
terminal B and body GND.
• Is there continuity?
Yes Go to next step.
No Repair or replace harness for open, go to Step 10.
8 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?
Yes Repair or replace suspected terminal, go to Step 10.
No Go to next step.
9 INSPECT NEUTRAL SWITCH SIGNAL CIRCUIT
FOR OPEN
• Turn engine switch to OFF.
• Inspect continuity between neutral switch
terminal A and PCM terminal 56.
• Is there continuity?
Yes Go to next step.
No Repair or replace harness for open, go to next step.
10 VERIFY TROUBLESHOOTING OF DTC P0850
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from PCM memory using WDS or
equivalent.
• Start engine.
• Is same DTC present?
Yes Replace PCM, go to next step.
(See F2–64 PCM REMOVAL/INSTALLATION)
No Go to next step.
11 VERIFY AFTER REPAIR PROCEDURE
• Perform “After Repair Procedure”.
(See F2–86 AFTER REPAIR PROCEDURE)
• Is there any DTC present?
Yes Go to applicable DTC inspection.
(See F2–87 DTC TABLE)
No Troubleshooting completed.
STEP INSPECTION ACTION