Mazda 6 2002 - Page 477

ON-BOARD DIAGNOSTIC
K103
K
2 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins availability.
• Is any related repair information available?
Yes Perform repair or diagnosis according to available repair
information.
• If vehicle is not repaired, go to next step.
No Go to next step.
3 INSPECT ATX CONNECTOR FOR POOR
CONNECTION
• Turn ignition key to OFF.
• Disconnect ATX connector.
• Check for poor connection (damaged/pulled-
out terminals, corrosion, etc.).
• Is connection okay?
Yes Go to next step.
No Repair or replace connector and/or terminals, then go to
Step 11.
4 INSPECT RESISTANCE
• Inspect resistance between ATX connector
terminal B (transaxle case side) and body
ground.
• Is resistance within 10.926.2 ohms?
(See K26 Resistance Inspection (On-Vehicle
Inspection).)
Yes Go to Step 7.
No Go to next step.
5 INSPECT SHIFT SOLENOID D CONNECTOR
FOR POOR CONNECTION
• Disconnect shift solenoid D connector.
• Check for poor connection (damaged/pulled-
out terminals, corrosion, etc.).
• Is connection okay?
Yes Go to next step.
No Repair or replace connector and/or terminal, then go to
Step 11.
6 INSPECT RESISTANCE
• inspect resistance between shift solenoid D
terminal A (part-side) and body ground.
• Is resistance within 10.926.2 ohms?
(See K26 Resistance Inspection (On-Vehicle
Inspection).)
Yes Replace solenoid harness, then go to Step 11.
No Verify shift solenoid D installation.
• If solenoid installed correctly, replace solenoid, then go
to Step 11.
(See K28 SOLENOID VALVE REMOVAL/
INSTALLATION.)
7 INSPECT PCM CONNECTOR FOR POOR
CONNECTION
• Disconnect PCM connector.
• Check for poor connection (damaged/pulled-
out terminals, corrosion, etc.).
• Is connection okay?
Yes Go to next step.
No Repair or replace connector and/or terminals, then go to
Step 11.
8 INSPECT ATX CONNECTOR CIRCUIT FOR
OPEN
• Inspect for continuity between PCM terminal
3S (harness-side) and ATX connector terminal
B (vehicle harness-side).
• Is there continuity between terminals?
Yes Go to next step.
No Repair or replace harness, then go to Step 11.
9 INSPECT ATX CONNECTOR CIRCUIT FOR
SHORT TO POWER
• Turn ignition key to ON (engine OFF).
• Inspect voltage at ATX connector terminal B
(vehicle harness-side).
• Is voltage 0 V?
Yes Go to next step.
No Repair or replace harness, then go to Step 11.
10 INSPECT PCM CIRCUIT FOR SHORT TO
GROUND
• Turn ignition key to OFF.
• Inspect continuity between PCM terminal 3S
(harness-side) and body ground.
• Is there continuity?
Yes Repair or replace harness, then go to Step 11.
No Go to next step.
11 VERIFY TROUBLESHOOTING OF DTC P0768
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from memory using WDS or
equivalent.
• Drive vehicle in D range and make sure that
gears shift smoothly from 1GR to 4GR.
• Are any DTCs present?
Yes Replace PCM, then go to next step.
(See F43 PCM REMOVAL/INSTALLATION.)
No No concern is detected. Go to next step.
12 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