ON-BOARD DIAGNOSTIC
K2–147
K2
Diagnostic procedure
STEP INSPECTION ACTION
1 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Bulletins and/or on-
line repair information 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.
2 INSPECT TERMINAL COMPONENT NO.1 (12-
PIN) FOR POOR CONNECTION
• Turn ignition key to OFF.
• Disconnect terminal componentNo.1 (12-pin).
• Check for poor connection (damaged, pulled-
out, terminals, corrosion, etc.).
• Are terminals okay?
Yes Go to next step.
No Repair or replace terminals, then go to Step 12.
DTC P0748 Pressure control solenoid circuit malfunction (open/short)
ATX
CPU
CPU
2Y
2P
D
L
A
TCM
TCM
HARNESS SIDE CONNECTOR
TERMINAL COMPONENT
NO.1(12-PIN)
HARNESS SIDE CONNECTOR
PRESSURE CONTROL
SOLENOID
COUPLER COMPONENT
(10-PIN)
PART SIDE CONNECTOR
PRESSURE CONTROL
SOLENOID
HARNESS SIDE CONNECTOR
2P
J
A
B
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