Kia Carens. Manual — part 151

6

Is engine stall speed OK?
Stall speed : 2200~250 rpm

Yes

Check EMS parts & Engine and/or replace
TCM.

No

Overhaul transaxle and repair or replace parts
as necessary.

6

Poor acceleration on acceleration

Description Engine speed increases normally but vehicle speed slowly increases during acceleration

(TROUBLESHOOTING HINTS)

1. ATF level low or high
2. Line pressure low
3. Engine stall speed incorrect correctly
4. Throttle position (TP) sensor malfunction or not adjusted
5. Torque converter clutch solenoid malfunction

Step

Inspection

Action

1

Check that no diagnostic trouble codes exist by
retrieving DTC's with a scan tool

Yes

Go to next step.

No

Diagnostic trouble code(s) displayed on scan
tool.

• Check for cause of diagnostic trouble

code(s)

If problem remains, go to next step.

2

Are ATF level and condition OK?
Do transaxle seals, sealant, and gaskets
prevent leakage?

Clear pink : Normal condition
Dark or black (with friction material) : Worn

powertrain components

Milky pink : Water contamination
Light to dark brown (oxidation) : Overheated

or old fluid

Yes

Go to next step.

No

If ATF level is not OK, add fluid as necessary.
If ATF condition is not OK, repair as follows :

•

condition - Overhaul transaxle and

repair or replace parts as necessary ; then
go to next step

•

or conditions - Replace ATF ; then go

to next step

If there is leakage, repair or replace parts as
necessary and/or replace transaxle ; then go
to next step.

3

Are measurements at TCM terminal OK?

Yes

Go to next step.

No

Check for malfunctioning parts
- Throttle position (TP) sensor.
- Wiring

4

Is line pressure OK?

Yes

Replace TCM

No

Check linear solenoid valve.
If line pressure is not within specifications after
linear solenoid valve inspection, replace
control valve body assembly.

5

Are resistance of torque converter clutch
solenoid valve and output voltage of TCM
terminal H-01/4 OK?
Vb : Battery Voltage

Yes

Go to next step.

No

If resistance is not OK, check for
malfunctioning parts and wiring.

• Torque converter clutch solenoid

Solenoid valve resistance : 14~18Ω

If resistance is OK but Voltage is not, check
wiring and/or replace TCM.

6

Is engine stall speed OK?
Stall speed : 2200~2500 rpm

Yes

Check Engine parts and/or replace TCM.

No

Overhaul transaxle and repair or replace parts
as necessary.

7

Surges while cruising

Description Momentary minor irregularity in engine output at steady vehicle speed

8

Poor acceleration on acceleration

Description Engine speed increases normally but vehicle speed slowly increases during acceleration

(TROUBLESHOOTING HINTS)

1. ATF level low or high
2. Throttle position (TP) sensor malfunction or not adjusted
3. Torque converter clutch solenoid malfunction

Step

Inspection

Action

1

Check that no diagnostic trouble codes exist by
retrieving DTC's with a scan tool

Yes

Go to next step.

No

Diagnostic trouble code(s) displayed on scan
tool.

• Check for cause of diagnostic trouble

code(s)

If problem remains, go to next step.

2

Are ATF level and condition OK?
Do transaxle seals, sealant, and gaskets
prevent leakage?

Clear pink : Normal condition
Dark or black (with friction material) : Worn

powertrain components

Milky pink : Water contamination
Light to dark brown (oxidation) : Overheated

or oid fluid

Yes

Go to next step.

No

If ATF level is not OK, add fluid as necessary
If ATF condition is not OK, repair as follows :

•

condition - Overhaul transaxle and

repair or replace parts as necessary ; then
go to next step

•

or conditions - Replace AFT ; then go

to next step

If there is leakage, repair or replace parts as
necessary and/or replace transaxle ; then go
to next step.

3

Are measurements at TCM terminal OK?

Yes

Go to next step.

No

Check for malfunctioning parts

- Throttle position (TP) sensor.
- Wiring

4

Are resistance of torque converter clutch
solenoid valve and output voltage of TCM
terminal H-01/4 OK?
Vb : Battery Voltage

Yes

Go to next step.

No

If resistance is not OK, check for
malfunctioning parts and wiring.

• Torque converter clutch solenoid.

Solenoid valve resistance : 14~18Ω

If resistance is OK but Voltage is not, check
wiring and/or replace TCM.

9

Poor fuel economy

Description Fuel economy unsatisfactory

(TROUBLESHOOTING HINTS)

1. ATF level low
2. Throttle position (TP) sensor malfunction or not adjusted correctly
3. Line pressure low
4. Engine stall speed incorrect

Step

Inspection

Action

1

Check that no diagnostic trouble codes exist by
retrieving DTC's with a scan tool

Yes

Go to next step.

No

Diagnostic trouble code(s) displayed on scan
tool.

• Check for cause of diagnostic trouble

code(s)

If problem remains, go to next step.

2

Are ATF level and condition OK?
Do transaxle seals, sealant, and gaskets
prevent leakage?

Clear pink : Normal condition
Dark or black (with friction material) : Worn

powertrain components

Milky pink : Water contamination
Light to dark brown (oxidation) : Overheated

or old fluid

Yes

Go to next step.

No

If ATF level is not OK, add fluid as necessary
If ATF condition is not OK, repair as follows :

•

condition - Overhaul transaxle and

repair or replace parts as necessary ; then
go to next step

•

or conditions - Replace ATF; then go

to next step

If there is leakage, repair or replace parts as
necessary and/or replace transaxle ; then go
to next step.

3

Is input voltage of throttle position (TP) sensor
at TCM terminal OK?
Vb : Battery voltage

Yes

Go to next step.

No

Check throttle position (TP) sensor and wiring.

4

Are resistance of torque converter clutch
solenoid and output voltage of TCM terminals
H-01/4 OK?
Vb : Battery voltage

Yes

Overhaul transaxle and repair or replace parts
as necessary.

No

If resistance is not OK, check for
malfunctioning parts and wiring.

• Torque converter clutch solenoid

If resistance is OK but voltage is not, check

Solenoid valve resistance : 14~18Ω

wiring and/or replace TCM.

5

Is Line pressure OK?

Yes

Go to next step.

No

Check linear solenoid valve.
If line pressure is not within specifications after
linear solenoid inspection, replace control
valve body assembly.

6

Is engine stall speed OK?
Stall speed : 2200~2500 rpm

Yes

Check EMS parts & Engine and/or replace
TCM.

No

Overhaul transaxle and repair or replace parts
as necessary.

10

Vehicle does not move in D, 2, and/or R range

Description

• No creep at all
• Vehicle does not move when accelerator pedal depressed after shifting to D, 2, 1, and/or R range.

(TROUBLESHOOTING HINTS)

1. ATF level low
2. Selector lever installation or adjustment incorrect
3. Line pressure low
4. Powertrain slippage (forward clutch, 2-4 brake band, one-way clutch No. 1 or No. 2)
5. Engine stall speed incorrect
6. Control valve stuck
7. Torque converter worn

Step

Inspection

Action

1

Are ATF level and condition OK?
Do transaxle seals, sealant, and gaskets
prevent leakage?

Clear pink : Normal condition
Dark or black (with friction material) : Worn

powertrain components

Milky pink : Water contamination
Light to dark brown (oxidation) : Overheated

or oil fluid

Yes

Go to next step.

No

If ATF level is not OK, add fluid as necessary
If ATF condition is not OK, repair as follows :

•

condition - Overhaul transaxle and

repair or replace parts as necessary; then
go to next step

•

or conditions - Replace ATF ; then go

to next step

If there is leakage, repair or replace parts as
necessary and/or replace transaxle; then go to
next step.

2

Is selector lever operation OK?

Yes

Go to next step.

No

Adjust selector lever.