Mazda 6 2002, Workshop Manual

Page: 473 / 1248

K–62
ON-BOARD DIAGNOSTIC
End Of Sie
4 INSPECT TR SWITCH
•
Turn ignition key to OFF.
•
Disconnect TR switch connector.
•
Inspect for resistance between TR switch
terminals B and C (part-side).
•
Is resistance okay?
(See K–14 TRANSAXLE RANGE (TR) SWITCH
INSPECTION .)
Yes Go to next step.
No Adjust TR switch, then go to Step 9.
(See
K–18 TRANSAXLE RANGE (TR) SWITCH
ADJUSTMENT .)
5 INSPECT TR SWITCH SIGNAL CIRCUIT FOR
SHORT TO POWER
•
Turn ignition key to ON (engine OFF).
•
Measure the voltage between TR switch
terminal C (harness-side) and body ground.
•
Is there voltage B+ ?
Yes Repair or replace harness for short to power, then go to
step 9.
No Go to next step.
6 INSPECT PCM CONNECTOR FOR POOR
CONNECTION
•
Disconnect PCM connector.
•
Check for poor connection at terminals 1W and
2H (damaged/pulled-out pins, corrosion, etc.).
•
Is there malfunction?
Yes Repair or replace terminal, then Go to step 9.
No Go to next step.
7 INSPECT TR SWITCH SIGNAL CIRCUIT FOR
OPEN CIRCUIT
•
Check for continuity between TR switch
terminal C (harness-side) and PCM terminal
1W.
•
Is there continuity?
Yes Go to next step.
No Repair or replace harness for open, then go to step 9.
8 INSPECT TR SWITCH GROUND CIRCUIT FOR
OPEN CIRCUIT
•
Check for continuity between TR switch
terminal B (harness-side) and PCM terminal
2H.
•
Is there continuity?
Yes Go to next step.
No Repair or replace harness for open, then go to next step.
9 VERIFY TROUBLESHOOTING OF DTC P0708
COMPLETED
•
Make sure to reconnect all disconnected
connectors.
•
Clear DTC from memory using WDS or
equivalent.
•
Drive vehicle for 100 seconds or more under
following conditions.
— Engine speed (RPM PID)
530 rpm or
above
— Vehicle speed (VSS PID) 20 km/h {12 mph}
or above
•
Is pending code present?
Yes Replace PCM, then go to next step.
(See F–43 PCM REMOVAL/INSTALLATION .)
No No concern is detected. Go to next step.
10 VERIFY AFTER REPAIR PROCEDURE
•
Perform “After Repair Procedure”.
(See K–52 AFTER REPAIR PROCEDURE .)
•
Are any DTCs present?
Yes Go to applicable DTC inspection.
No Troubleshooting completed.
STEP INSPECTION ACTION