Mazda 6 2002 Workshop Manual page 436

STEP
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.)
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+?
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?
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?
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?
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?
10 VERIFY AFTER REPAIR PROCEDURE
• Perform “After Repair Procedure”.
(See K–52 AFTER REPAIR
• Are any DTCs present?
End Of Sie
K–62
ON-BOARD DIAGNOSTIC
INSPECTION
PROCEDURE.)
Yes Go to net step.
No Adjust TR switch, then go to Step 9.
(See K–18 TRANSAXLE RANGE (TR) SWITCH
ADJUSTMENT.)
Yes Repair or replace harness for short to power, then go to
step 9.
No Go to net step.
Yes Repair or replace terminal, then Go to step 9.
No Go to net step.
Yes Go to net step.
No Repair or replace harness for open, then go to step 9.
Yes Go to net step.
No Repair or replace harness for open, then go to net step.
Yes Replace PCM, then go to net step.
(See F–43 PCM REMOVAL/INSTALLATION.)
No No concern is detected. Go to net step.
Yes Go to applicable DTC inspection.
No Troubleshooting completed.
ACTION