Suzuki Liana RH413, Service Manual

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5A-36 Automatic Transmission/Transaxle:
“P” Range Test
S3RH0A5104017
1) Stop vehicle on a slope of 5 degrees or more, shift
select lever to “P” range and at the same time apply
parking brake.
2) After stopping engine, depress brake pedal and
release parking brake.
3) Then, release brake pedal gradually and check that
vehicle remains stationary.
4) Depress brake pedal and shift select lever to “N”
range.
5) Then, release brake pedal gradually and check that
vehicle moves.
WARNING
!
Before test, make sure no one is around
vehicle or down on a slope and keep watchful
for safety during test.
Troubleshooting
A/T Symptom Diagnosis
S3RH0A5104018
Trouble Diagnosis 1
Electrical repair
Condition Possible cause Correction / Reference Item
Vehicle moves at “P”
range or remains
stationary at “N” range Defective parking lock pawl or spring Inspect. If NG, repair.
Condition Possible cause Correction / Reference Item
Excessive shift shock Shift solenoid valve-A and/or -B circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Pressure control solenoid valve circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Timing solenoid valve circuit faulty only
when N
→
D or 3
↔
O/D shifting
Inspect circuit for open, short and intermittent.
If NG, repair.
Output shaft speed sensor / VSS circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Input shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission fluid temperature sensor
circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position signal circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Engine speed signal circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Torque reduction request signal circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “DTC P0120 (No. 13): Throttle
Position Circuit Malfunction in Section 1A”. If
NG, repair.
Crankshaft position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “DTC P0335 (No. 23): Crankshaft
Position (CKP) Sensor Circuit Malfunction in
Section 1A”. If NG, repair.
TCM Substitute a known-good TCM and recheck.
ECM Substitute a known-good ECM and recheck.
Improper learning control of TCM when
O/D
↔
3 shifting and any upshifting
Initialize learning control and perform learning
referring to “Learning Control Initialization” and
“Brief Learning”.