Contents Section: Automatic Trans All sections

Automatic Transaxle System: Diagnosis Kia Rio II рестайлинг

Automatic Trans 5 illustrations ~930 words

DIAGNOSITC TORUBLE CODES (INSPECTION PROCEDURE)

Check the Diagnostic Trouble Codes

  1. Turn the ignition switch to OFF.
  2. Connect the Hi-scan tool to the DLC connector for diagnosis.
  3. Turn the ignition switch to ON.
  4. Check the diagnostic trouble codes using the Hi-scan tool.
  5. Read the output diagnostic trouble codes. Then follow the remedy procedures according to the "DIAGNOSTIC TROUBLE CODE DESCRIPTION" on the following pages. NOTE: A maximum of 10 diagnostic trouble codes (in the sequence of occurrence) can be stored in the Random Access Memory (RAM) incorporated within the control module. The same diagnostic trouble code can be stored one time only. If the number of stored diagnostic trouble codes or diagnostic trouble patterns exceeds 10, already stored diagnostic trouble codes will be erased in sequence, beginning with the oldest. Do not disconnect the battery until all diagnostic trouble codes or diagnostic trouble patterns have been read out, because all stored diagnostic trouble codes or diagnostic trouble patterns will be cancelled when the battery is disconnected. All diagnostic trouble codes are deleted from memory the 200th time the ATF temperature reaches 50°C (122°F) after memorization of the most recent diagnostic code.
  6. Delete the diagnostic trouble code.
  7. Disconnect the Hi-scan tool. NOTE: DTC cleaning should only be done with the scan tool.

Diagnostic trouble code table

No.CodeItemRemark
1P0605INTERNAL CONTROL MODULE READ OLNY MEMORY (ROM) ERRORAT-53
2P0707TRANSAXLE RANGE SWITCH CIRCUIT NO INPUTAT-55
3P0708TRANSAXLE RANGE SWITCH CIRCUIT MULTI - INPUTAT-61
4P0711TRANSAXLE FLUID TEMPERATURE SENSOR RATIONALITYAT-64
5P0712TRANSAXLE FLUID TEMPERATURE SENSOR CIRCUIT LOW INPUTAT-71
6P0713TRANSAXLE FLUID TEMPERATURE SENSOR CIRCUIT HIGH INPUTAT-73
7P0716A/T INPUT SPEED SENSOR (PG-A)-TOO MAXAT-75
8P0717A/T INPUT SPEED SENSOR (PG-A) CIRCUIT - OPEN or SHORT (GND)AT-82
9P0722A/T OUTPUT SPEED SENSOR (PG-B) CIRCUIT - OPEN or SHORT (GND)AT-84
10P0731GEAR 1 INCORRECT RATIOAT-90
11P0732GEAR 2 INCORRECT RATIOAT-98
12P0733GEAR 3 INCORRECT RATIOAT-105
13P0734GEAR 4 INCORRECT RATIOAT-112
14P0741TORQUE CONVERTER CLUTCH STUCK OFFAT-117
15P0742TORQUE CONVERTER CLUTCH STUCK ONAT-122
16P0743TCC CONTROL SOLENOID VALVE CIRCUIT - OPEN or SHORT (GND)AT-125
17P0745PRESSURE CONTROL SOLENOID VALVE-A CIRCUIT - OPEN or SHORT (GND)AT-130
18P0750SHIFT CONTROL SOLENOID VALVE-A CIRCUIT - OPEN or SHORT (GND)AT-135
19P0755SHIFT CONTROL SOLENOID VALVE-B CIRCUIT - OPEN or SHORT (GND)AT-139
20P0760SHIFT CONTROL SOLENOID VALVE-C CIRCUIT - OPEN or SHORT (GND)AT-143
21P0775PRESSURE CONTROL SOLENOID VALVE-B CIRCUIT - OPEN or SHORT (GND)AT-147
22P1709KICKDOWN SERVO SWITCH CIRCUIT - OPEN or SHORTAT-152
23U0001CAN BUS OFFAT-159
24U0100CAN TIME OUTAT-160

DIAGNOSTIC TROUBLE CODE CHART

Note. D/C : Damper clutch PG-A : Input shaft rotation speed sensor PG-B : Output shaft rotation speed sensor PCSV : Pressure control solenoid valve SCSV : Shift solenoid valve

Check the control system (using the Hi-scan tool)

Diagnosis itemsChecking proceduresProbable cause
Check conditionsNormal value
Fluid temperature sensorEngine doesn't operate before startingEquivalent to outside air temperatureMalfunction of the fluid temperature sensor or the circuit harness
While warming up engineGradual increase
After warming up engine80~110°C (176~230°F)
Kickdown servo switch"L" range : IdlingONMalfunction of the kickdown servo adjustment Malfunction of the kickdown servo switch or the circuit harness Malfunction of the kickdown servo system
"D" range :1st or 3rd gearON
"D" range :2nd or 4th gearOFF
Ignition signal Engine rpm"N" range: Idling650-900rpmMalfunction of the ignition system Malfunction of the ignition signal pick-up circuit
"N" range, 2500rpm (Tachometer)2400-2600rpm
Idling switchAccelerator pedal fully releasedONMalfunction of the TPS adjustment Malfunction of the TPS or the circuit harness
Press accelerator pedal slightlyOFF
Air conditioning relay signal"D" range: Air conditioning ONONMalfunction of the air conditioning power relay circuit harness
"D" range: Air conditioning OFFOFF
Transaxle range switch"D" range: IdlingC (creep)Malfunction of the TCM Malfunction of the idling switch system Malfunction of the inhibitor switch system Malfunction of the TPS system
"L" range: Idling1st gear
"2" range: 2nd gear2nd gear
"D" range: Overdrive switch is turned OFF, 3rd gear3rd gear
"D" range: Overdrive switch is turned ON, 4th gear4th gear
Pulse generator-A Turbine rpm"D" range: Engine stopped0rpmMalfunction of the pulse generator-A or the circuit harness Incoming noise from outside
"D" range:Driving at 50km/h (31mph) in 3rd gear1600~2000rpm
"D" range:Driving at 50km/h (31mph) in 4th gear1100~1400rpm
Pulse generator-B Output shaft RPM sensor"D" range: Engine stopped0rpmMalfunction of the pulse generator-B or the circuit harness Incoming noise from outside
"D" range:Driving at 50km/h (31mph) in 3rd gear1600~2000rpm
"D" range:Driving at 50km/h (31mph) in 4th gear1600~2000rpm
Overdrive switchOverdrive switch is turned ONOD:ONMalfunction of the overdrive switch or the circuit harness
Overdrive switch is turned OFFOD:OFF
Inhibitor switchShift select lever to "P" rangePMalfunction of the inhibitor switch adjustment Malfunction of the inhibitor switch or the circuit harness Malfunction of the manual control cable
Shift select lever to "R" rangeR
Shift select lever to "N" rangeN
Shift select lever to "D" rangeD
Shift select lever to "2" range2
Shift select lever to "L" rangeL
Vehicle speed sensorKeep vehicle stopped0km/hMalfunction of the vehicle speed sensor if high speed signal is delivered while vehicle is stopping In other cases, malfunction of the vehicle speed sensor or circuit harness
Driving at 30km/h (19mph)30km/h (19mph)
Driving at 50km/h (31mph)50km/h (31mph)
Pressure control solenoid valve duty (PCSV duty)"D" range : Idling60~80%When accelerator pedal is slightly pressed while idling in "D" range, duty should become100% Malfunction of the TCM Malfunction of the TPS system Malfunction of the idling switch system
"D" range: 1st gear100%
"D" range: During shiftVaries with condition
Damper clutch slip rpm Turbine rpm"D" range: 3rd gear, 1500rpm (Tachometer)200~300rpmMalfunction of the damper clutch Malfunction of the ignition signal wire or pulse generator-B system Abnormality transaxle fluid pressure Malfunction of the damper clutch solenoid valve
"D" range: 3rd gear, 3500rpm (Tachometer)0rpm
DCCSV duty"D" range: 3rd gear, 1500rpm (Tachometer)0%Malfunction of the TCM Malfunction of the TPS system Malfunction of the pulse generator-B system
"D" range: 3rd gear, 2500rpm (Tachometer)Varies with load

CONTROL SYSTEM CHECK CHART (USING HI-SCAN TOOL)

Fluid leaks inspection

Check for leaks from the transmission. If there are leaks, it is necessary to repair or replace O-ring, seal packings, oil seals, plugs or other parts.

Scheme 10

Scheme 10: Fluid leaks inspection

Scheme 11

Scheme 11: Transaxle fluid level inspection
  1. Park the vehicle at even straight surface.
  2. Before removing the oil level gauge, wipe all contaminants from around the oil level gauge.
  3. Set the select lever to the "P" position and engage the parking brake and then start the engine.
  4. Drive the vehicle until the fluid reaches normal.(80~90°C (176~194°F))
  5. Move the select lever through all positions. This will fill the torque converter with transaxle fluid. Set the select lever to the "N" (Neutral) position.
  6. Check that the fluid level is the "HOT" mark on the oil level gauge. If fluid level is low, add automatic transaxle fluiduntil the level reaches the "HOT" mark. Automatic transaxle fluid : GENUINE DIAMOND ATF SP-III or SK ATF SP-III Quantity: 6.1 I (6.4 US qt, 5.4 lmp.qt) NOTE: Low fluid level can cause a variety of abnormal conditions because it allows the pump to take in air along with fluid. Air trapped in the hydraulic system forms bubbles, which are compressible. Therefore, pressures will be erratic, causing delayed shifting, slipping clutches and brakes, etc. Improper filling can also raise fluid level too high. When the transaxle has too much fluid, gears churn up foam and cause the same conditions which occur with low fluid level, resulting in accelerated deterioration of automatic transaxle fluid. In either case, air bubbles can cause overheating, and fluid oxidation, which can interfere with normal valve, clutch, and brake operation. Foaming can also result in fluid escaping from the transaxle vent where it may be mistaken for a leak. Also check the condition of the transaxle fluid. If the fluid smells as if it is burning, it means that the fluid has been ontaminated by fine particles from the bushes and friction material, a transaxle overhaul may be necessary. Inspect the condition of fluid on the oil level gauge. For the detail check, drain some of the oil fluid out of the pump and then inspect the condition of the oil fluid. After checking, insert the oil level gauge into the oil filler tube securely. When new, automatic transaxle fluid should be red, The red dve is added so the assembly plant can identify it as transaxle fluid and distinguish it from engine oil or antifreeze. The red dve, which is not an indicator of fluid quality, is not permanent. As the vehicle is driven the transaxle fluid will begin to look darker. The color may eventually appear light brown. But, the transaxle should be overhauled under the following conditions. If there is a "burning" door. If the fluid the color has become noticeably blacker. If there is a noticeably excessive amount of metal particle in the fluid.

Scheme 12

Scheme 12: Hydraulic pressure test
  1. Warm up the engine until the automatic transaxle fluid temperature is 80~100°C (176~212°F).
  2. Jack up the vehicle so that the wheels are free to turn.
  3. Connect the engine tachometer.
  4. Connect the oil pressure gauge (09452-21500) and the oil pressure gauge adapter (09452-21002, 09452-21001) to each pressure discharge port. But use the gauge (30kg/cm 2 ) when measuring the reverse pressure, front clutch pressure and low & reverse brake pressure.
  5. If a value is outside the standard range, correct the problem while referring to the «HYDRAULIC PRESSURE TEST»(ref-378934-S25562559192010113000000) diagnosis table.

STANDARD HYDRAULIC PRESSURE TEST

No.Measurement ConditionStandard hydraulic pressure kpa (kg/cm 2 , psi)
Select lever positionEngine speed (rpm)Shift position12345678
Reduction pressureServo apply pressureRear clutch pressureFront clutch pressureEnd clutch pressureLow & reverse brake pressureTorque converter pressureDamper clutch pressure
1NIdlingNeutral402-422 (4.1-4.3, 58-61)
2D (switch ON)2,5004th gear402-422 (4.1-4.3, 58-61)853-893 (8.7-9.1, 124-129)834-873 (8.5-8.9, 121-127)626-687 (6.4-7.0, 91-96) D/C ON
3D2,5003rd gear402-422 (4.1-4.3, 58-61)844-863 (8.6-9.1, 122-128)628-687 (6.4-7.0, 122-123}324-333 (B.4-8.B. 119-125)844-883 (8.6-9.1, 122-1 28)628-687 (64-7.0, 91-96) D/C ON
4D2,5002nd gear402-422 (4.1-4.3, 58-61)853-893 (8.7-9.1, 124-129)844-883 (8.6-9.0, 122-128)628-687 (6.4-7.0, 91-96) D/C ON
5L1,0001st gear402-422 (4.1-4.3, 58-61)844-883 (8.6-9.0), 122-128)343-520 (3.5-5.3, 50-75)422-480 (4.3-4.9, 61-70)235-275 (2.4-2.8, 34-40) D/C OFF
6R2,500Reverse441-451 (4.5-4.7, 64-67)1815-1913 (18.5-19.5, 263-277)1815-1913 (18.5-19.5, 263-277)432-490 (4.4-5.0, 63-71)256-343 (2.7-3.5, 38-50) D/C OFF

STANDARD HYDRAULIC PRESSURE TEST CHART

Note. "-" is 0.2 (0.3) kg/cm 2 or less and "()" is the reverse. SW-ON : Turn the overdrive control switch ON. SW-OFF : Turn the overdrive control switch OFF. The hydraulic pressure may be more than standard value at the ambient temperature.

Scheme 13

Scheme 13: DRIVE SHAFT OIL SEALS REPLACEMENT

Scheme 14

Scheme 14
  1. Disconnect the drive shaft from the transaxle.
  2. Using a flat-tip (-) screwdriver, remove the oil seal (A).
  3. Apply a coating of the transaxle fluid to the lip of the oil seal.
  4. Using the special tool (09431-21200), tap the drive shaft oil seal into the transaxle.