Mazda 6 2002 Workshop Manual page 465

DTC P0758 Shift solenoid B malfunction (electrical)
• Shift solenoid B malfunction
• Short to ground between ATX connector terminal C and PCM terminal 4AC
• Short to power between ATX connector terminal C and PCM terminal 4AC
POSSIBLE • Open circuit between shift solenoid B terminal B and ATX connector terminal C
CAUSE • Open circuit between ATX connector terminal C and PCM terminal 4AC
• Open circuit between shift solenoid B terminal A and body ground point
• Damaged connector between shift solenoid B and PCM
• PCM malfunction
Diagnostic procedure
STEP
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has FREEZE FRAME PID DATA been
recorded?
2 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins availability.
• Is any related repair information available?
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?
ON-BOARD DIAGNOSTIC
INSPECTION
Yes Go to net step.
No Record FREEZE FRAME PID DATA on repair order, then
go to net step.
Yes Perform repair or diagnosis according to available repair
information.
• If vehicle is not repaired, go to net step.
No Go to net step.
Yes Go to net step.
No Repair or replace connector and/or terminals, then go to
Step 11.
ACTION
K–91
K