Suzuki Swift User Manual page 520

TROUBLESHOOTING
STEP
1 Was "AUTOMATIC TRANSMISSION DIAGNOSTIC FLOW
TABLE" performed?
2 Is DTC other than shift malfunction (DTC P0751/P0756)
displayed?
3 Perform Road Test to check if upshift and downshift take
place at specified vehicle speed, referring to "ROAD TEST"
in this section.
Do they take place properly?
4 Perform Manual Shift Road Test referring to "MANUAL ROAD
TEST" in this section.
Is test result satisfactory?
5 Check Transmission Range Sensor and Its Circuit according
to Step 1 of DTC P0705 Flow Table.
Are they in good condition?
6 Check Output Shaft Speed Sensor and Its Circuit referring to
"OUTPUT SHAFT SPEED SENSOR CHECK" in this section.
Are they in good condition?
7 Check Shift Solenoid A and B for Operation referring to
"SHIFT SOLENOID VALVE CHECK" in this section.
Are they in good condition?
AUTOMATIC TRANSMISSION (3 A / T) (VEHICLE WITH WU-TWC) 7B-29
ACTION YES
Go to Step 2. Go to
"AUTOMATIC
TRANSMISSION
DIAGNOSTIC
FLOW TABLE".
Go to applicable Go to Step 3.
DTC Flow Table.
Intermittent Go to Step 4.
trouble. Check
electrical circuit
of system for
intermittent
referring to
"INTERMITTENT
AND POOR
CONNECTION"
in Section 0A.
Go to Step 5. Go to "A/T
Basic Check".
Go to Step 6. "D" range
signal circuit
shorted to other
signal circuit or
TR sensor
malfunction.
Go to Step 7. Output shaft
speed sensor
circuit open or
short or output
shaft speed
sensor
malfunction.
Substitute a Replace shift
known-good solenoid A or B.
PCM and
recheck.
NO