Automatic Transaxle (U151F) (Diagnostic Codes): Diagnosis Toyota RAV4 IV

INSPECTION PROCEDURE

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Using Techstream's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

Note. In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Data List.
6. Follow the instructions on the Techstream and read the Data List.

ECM

Scheme 1960

Scheme 1961

Scheme 1962

Scheme 1963

Scheme 1964

Scheme 1965

1. CHECK WIRE HARNESS (PARK/NEUTRAL POSITION SWITCH - BATTERY) Disconnect the B26 park/neutral position switch connector. Turn the ignition switch to ON. Measure the voltage of the wire harness side connector. Standard voltage Tester Connection Specified Condition B26-2 (RB) - Body ground 11 to 14 V NG --> CHECK POWER SOURCE OF ECM OK: Go to next step
2. INSPECT PARK/NEUTRAL POSITION SWITCH Disconnect the B26 park/neutral position switch connector. Measure the resistance of the park/neutral position switch when the shift lever is moved to each position. Standard resistance Tester Connection Shift Lever Position Specified Condition 6 (PL) - 2 (RB) P Below 1 ohms 6 (PL) - 2 (RB) Not on P 10 kohms or higher 1 (RL) - 2 (RB) R Below 1 ohms 1 (RL) - 2 (RB) Not on R 10 kohms or higher 9 (NL) - 2 (RB) N Below 1 ohms 9 (NL) - 2 (RB) Not on N 10 kohms or higher 7 (DL) - 2 (RB) D Below 1 ohms 7 (DL) - 2 (RB) Not on D 10 kohms or higher 3 (2L) - 2 (RB) 2 Below 1 ohms 3 (2L) - 2 (RB) Not on 2 10 kohms or higher 8 (LL) - 2 (RB) L Below 1 ohms 8 (LL) - 2 (RB) Not on L 10 kohms or higher NG --> REPLACE PARK/NEUTRAL POSITION SWITCH OK: Go to next step
3. CHECK WIRE HARNESS (ECM - BATTERY) Disconnect the B30 ECM connector. Turn the ignition switch to ON. Measure the voltage of the wire harness side connector. Standard voltage Tester Connection Shift Lever Position Specified Condition B30-2 (P) - Body ground P 11 to 14 V B30-2 (P) - Body ground Not on P Below 1 V B30-26 (R) - Body ground R 11 to 14 V* B30-26 (R) - Body ground Not on R Below 1 V B30-25 (N) - Body ground N 11 to 14 V B30-25 (N) - Body ground Not on N Below 1 V B30-27 (D) - Body ground D or 4 11 to 14 V B30-27 (D) - Body ground Not on D or 4 Below 1 V B30-47 (2) - Body ground 2 11 to 14 V B30-47 (2) - Body ground Not on 2 Below 1 V B30-48 (3) - Body ground 3 or L 11 to 14 V B30-48 (3) - Body ground Not on 3 or L Below 1 V HINT: *: The voltage will drop slightly due to the illumination of the back-up light. NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK: Go to next step
4. CHECK WIRE HARNESS (PARK/NEUTRAL POSITION SWITCH - SHIFT LOCK CONTROL UNIT ASSEMBLY) Disconnect the E40 switch connector. Turn the ignition switch to ON. Measure the voltage when the shift lever is moved to each position. Standard voltage Tester Connection Shift Lever Position Specified Condition 1 (NSSD) - Body ground D and 4 11 to 14 V 1 (NSSD) - Body ground Not on D and 4 Below 1 V 5 (NSSL) - Body ground 3 and L 11 to 14 V 5 (NSSL) - Body ground Not on 3 and L Below 1 V NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK: Go to next step
5. INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY Disconnect the E40 switch connector. Measure the resistance of the switch when the shift lever is moved to each position. Standard resistance Tester Connection Shift Lever Position Specified Condition 1 (NSSD) - 2 (AT3) D 10 kohms or higher 1 (NSSD) - 2 (AT3) 3 Below 1 ohms 5 (NSSL) - 6 (ATL) D 10 kohms or higher 5 (NSSL) - 6 (ATL) 3 Below 1 ohms NG --> REPLACE SHIFT LOCK CONTROL UNIT ASSEMBLY OK: Go to next step
6. CHECK WIRE HARNESS (SHIFT LOCK CONTROL UNIT ASSEMBLY - BATTERY) Disconnect the A9 ECM connector. Turn the ignition switch to ON. Measure the voltage of the wire harness side connector. Standard voltage Tester Connection Shift Lever Position Specified Condition A9-25 (4) - Body ground 4 11 to 14 V A9-25 (4) - Body ground Not on 4 Below 1 V A9-26 (L) - Body ground L 11 to 14 V A9-26 (L) - Body ground Not on L Below 1 V HINT: *: The voltage will drop slightly due to the illumination of the back-up light. NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Using Techstream's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

Note. In the table below, the values listed under "Normal Condition" are reference values. Except Mexico models: If DTCs P0711 and P2610 are output simultaneously, confirm that the ATF temperature is as specified in "Normal Condition" using the Techstream first. When the ATF temperature is as specified in "Normal Condition", perform troubleshooting for DTC P2610.Refer to DTC P2610: ECM / PCM Internal Engine Off Timer Performance .

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Data List.
6. Follow the instructions on the Techstream and read the Data List.

ECM

HINT

1. When DTC P0712 is output and the Techstream output is 150°C (302°F) or more, there is a short circuit.
2. When DTC P0713 is output and the Techstream output is -40°C (-40°F), there is an open circuit. Check the temperature displayed on the tester in order to check if a malfunction exists.

HINT

1. If a circuit related to the ATF temperature sensor becomes open, P0713 is set in approximately 0.5 seconds.
2. It is not necessary to inspect the circuit when P0711 is set.

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Using Techstream's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

Note. In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Data List.
6. Follow the instructions on the Techstream and read the Data List.

ECM

HINT

1. When DTC P0712 is output and the Techstream output is 150°C (302°F) or more, there is a short circuit.
2. When DTC P0713 is output and the Techstream output is -40°C (-40°F), there is an open circuit. Check the temperature displayed on the tester in order to check if a malfunction exists.

HINT

1. If a circuit related to the ATF temperature sensor becomes open, P0713 is set in approximately 0.5 seconds.
2. It is not necessary to inspect the circuit when P0711 is set.

Scheme 1966

Scheme 1967

1. INSPECT TRANSMISSION WIRE (ATF TEMPERATURE SENSOR) Disconnect the B32 wire connector. Measure the resistance of the transmission wire. Standard resistance Tester Connection Specified Condition 1 (THO) - 7 (E2) 79 ohms to 156 kohms 1 (THO) - Body ground 10 kohms or higher 7 (E2) - Body ground 10 kohms or higher HINT: If the resistance is out of the specified range at any of the ATF temperatures shown in the table below, the driveability of the vehicle may decrease. ATF Temperature Specified Condition 10°C (50°F) 5 to 8 kohms 25°C (77°F) 2.5 to 4.5 kohms 110°C (230°F) 0.22 to 0.28 kohms NG --> REPAIR OR REPLACE TRANSMISSION WIRE OK: Go to next step
2. CHECK WIRE HARNESS (TRANSMISSION WIRE - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Specified Condition B30-122 (THO1) - B30-98 (ETHA) 79 ohms to 156 kohms B30-122 (THO1) - Body ground 10 kohms or higher B30-98 (ETHA) - Body ground 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Using Techstream's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

Note. In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Data List.
6. Follow the instructions on the Techstream and read the Data List.

ECM

HINT

1. SPD (NT) is always 0 rpm while driving: Open or short in the sensor or circuit.
2. SPD (NT) is always more than 0 rpm and less than 300 rpm while driving the vehicle at 50 km/h (31 mph) or more: Sensor trouble, improper installation, or intermittent connection trouble of the circuit.

Scheme 1968

Scheme 1969

Scheme 1970

1. INSPECT SPEED SENSOR (INSTALLATION) Check the speed sensor NT installation. OK Installation bolt is tightened properly and there is no clearance between the sensor and transaxle case. NG --> SECURELY INSTALL SENSOR OR REPLACE SPEED SENSOR OK: Go to next step
2. INSPECT SPEED SENSOR NT Disconnect the B28 sensor connector from the transaxle. Measure the resistance of the sensor. Standard resistance Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 560 to 680 ohms NG --> REPLACE SPEED SENSOR NT OK: Go to next step
3. CHECK WIRE HARNESS (SPEED SENSOR - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Condition Specified Condition B30-101 (NT+) - B30-100 (NT-) 20°C (68°F) 560 to 680 ohms B30-101 (NT+) - Body ground 20°C (68°F) 10 kohms or higher B30-100 (NT-) - Body ground 20°C (68°F) 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Using Techstream's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

Note. In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Data List.
6. Follow the instructions on the Techstream and read the Data List.

ECM

Scheme 1971

Scheme 1972

1. INSPECT STOP LIGHT SWITCH Remove the A3 stop light switch. Measure the resistance of the switch. Standard resistance Tester Connection Switch Condition Specified Condition 1 - 2 Pin pushed (pedal released) 10 kohms or higher 1 - 2 Pin not pushed (pedal depressed) Below 1 ohms 3 - 4 Pin pushed (pedal released) Below 1 ohms 3 - 4 Pin not pushed (pedal depressed) 10 kohms or higher NG --> REPLACE STOP LIGHT SWITCH OK: Go to next step
2. CHECK WIRE HARNESS (ECM - BATTERY) Disconnect the A9 ECM connector. Measure the voltage of the wire harness side connector. Standard voltage Tester Connection Condition Specified Condition A9-36 (STP) - Body ground Brake pedal is depressed 11 to 14 V A9-36 (STP) - Body ground Brake pedal is released Below 1 V NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Performing Techstream's Active Test allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time.

The Data List can be displayed during the Active Test.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Active Test.
6. Follow the instructions on the Techstream and perform the Active Test. ECM: Tester Display Test Part Control Range Diagnostic Note Activate the Lock Up [Test Details] Control shift solenoid DSL to set automatic transaxle to lock-up [Vehicle Condition] Throttle valve opening angle: Less than 35% Vehicle speed: 60 km/h (36 mph) or more ON/OFF Possible to check shift solenoid valve DSL operation HINT: This test can be conducted when the vehicle speed is 60 km/h (36 mph) or more. This test can be conducted in the 5th gear.
7. Lightly depress the accelerator pedal and check that the engine speed does not change abruptly. HINT: When changing the accelerator pedal opening angle while driving, if the engine speed does not change, lock-up is ON. Slowly release the accelerator pedal in order to decelerate. (Do not fully release the pedal as that will close the throttle valve and lock-up may be turned OFF.)

Scheme 1973

Scheme 1974

Scheme 1975

Scheme 1976

1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0741) Connect Techstream to the DLC3. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs using the Techstream. Result Display (DTC output) Proceed to Only P0741 is output A P0741 and other DTCs are output B HINT: If any other codes besides P0741 are output, perform troubleshooting for those DTCs first. B --> GO TO DTC CHART A: Go to next step
2. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE DSL) Disconnect the B32 wire connector. Measure the resistance of the transmission wire. Standard resistance Tester Connection Condition Specified Condition 10 (DSL) - Body ground 20°C (68°F) 11 to 13 ohms NG --> See step 4 OK: Go to next step
3. CHECK WIRE HARNESS (TRANSMISSION WIRE - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Condition Specified Condition B30-3 (DSL) - Body ground 20°C (68°F) 11 to 13 ohms NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM
4. INSPECT SHIFT SOLENOID VALVE DSL Remove the shift solenoid valve DSL. Measure the resistance of the solenoid valve. Standard resistance 11 to 13 ohms at 20°C (68°F) Connect the battery's positive (+) lead to the terminal of the solenoid valve connector, and the negative (-) lead to the solenoid body. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE DSL OK: Go to next step
5. CHECK TRANSMISSION WIRE Check the transmission wire. OK The connectors and pins are securely installed. There is no open or short on the wire harness. NG --> REPAIR OR REPLACE TRANSMISSION WIRE OK: Go to next step
6. INSPECT TRANSMISSION VALVE BODY ASSEMBLY Check the transmission valve body assembly. OK There are no foreign objects on each valve. NG --> REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY OK: Go to next step
7. INSPECT TORQUE CONVERTER ASSEMBLY Check the torque converter assembly.Refer to «INSPECTION»(ref-493419-S05873890872012081000000) . OK The torque converter assembly operates normally. NG --> REPLACE TORQUE CONVERTER ASSEMBLY OK --> REPAIR AUTOMATIC TRANSAXLE ASSEMBLY

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Performing Techstream's Active Test allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time.

The Data List can be displayed during the Active Test.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Active Test.
6. Follow the instructions on the Techstream and perform the Active Test. HINT: While driving, the shift position can be forcibly changed with the Techstream. Comparing the shift position commanded by the Active Test with the actual shift position enables you to confirm the problem.Refer to «FAIL-SAFE CHART»(ref-493461-S20004909552012081000000) . ECM: Tester Display Test Part Control Range Diagnostic Note Control the Shift Position [Test Details] Operate shift solenoid valve and set each shift lever position [Vehicle Condition] IDL: ON Vehicle speed: 50 km/h (31 mph) or less [Other information] Press "-->" button: Shift up Press "<--" button: Shift down 1st / 2nd / 3rd / 4th / 5th Possible to check operation of shift solenoid valves HINT: This test can be conducted when the vehicle speed is 50 km/h (31 mph) or more. This shift position commanded by the ECM is shown in the Data List/Shift Status display on the Techstream.

Scheme 1977

1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0746) Connect Techstream to the DLC3. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs using the Techstream. Result Display (DTC output) Proceed to Only P0746 is output A P0746 and other DTCs are output B HINT: If any other codes besides P0746 are output, perform the troubleshooting for those DTCs first. B --> GO TO DTC CHART A: Go to next step
2. INSPECT SHIFT SOLENOID VALVE SL1 Remove the shift solenoid valve SL1. Measure the resistance of the solenoid valve. Standard resistance 5.0 to 5.6 ohms at 20°C (68°F) Connect the battery's positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE SL1 OK: Go to next step
3. INSPECT TRANSMISSION VALVE BODY ASSEMBLY Check the transmission valve body assembly. OK There are no foreign objects on each valve. NG --> REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY OK: Go to next step
4. INSPECT TORQUE CONVERTER ASSEMBLY Check the torque converter assembly.Refer to «INSPECTION»(ref-493419-S05873890872012081000000) . OK The torque converter assembly operates normally. NG --> REPLACE TORQUE CONVERTER ASSEMBLY OK --> REPAIR OR REPLACE AUTOMATIC TRANSAXLE ASSEMBLY

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

Scheme 1978

Scheme 1979

1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SL1) Disconnect the B32 wire connector. Measure the resistance of the transmission wire. Standard resistance Tester Connection Condition Specified Condition 6 (SL1+) - 13 (SL1-) 20°C (68°F) 5.0 to 5.6 ohms 6 (SL1+) - Body ground 20°C (68°F) 10 kohms or higher 13 (SL1-) - Body ground 20°C (68°F) 10 kohms or higher NG --> See step 3 OK: Go to next step
2. CHECK WIRE HARNESS (TRANSMISSION WIRE - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Condition Specified Condition B30-10 (SL1+) - B30-11 (SL1-) 20°C (68°F) 5.0 to 5.6 ohms B30-10 (SL1+) - Body ground 20°C (68°F) 10 kohms or higher B30-11 (SL1-) - Body ground 20°C (68°F) 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM
3. INSPECT SHIFT SOLENOID VALVE SL1 Remove the shift solenoid valve SL1. Measure the resistance of the solenoid valve. Standard resistance 5.0 to 5.6 ohms at 20°C (68°F) Connect the battery's positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE SL1 OK --> REPAIR OR REPLACE TRANSMISSION WIRE

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Performing Techstream's Active Test allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time.

The Data List can be displayed during the Active Test.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Active Test.
6. Follow the instructions on the Techstream and perform the Active Test.

HINT

While driving, the shift position can be forcibly changed with the Techstream.

Comparing the shift position commanded by the Active Test with the actual shift position enables you to confirm the problem.Refer to FAIL-SAFE CHART .

ECM

HINT

1. This test can be conducted when the vehicle speed is 50 km/h (31 mph) or less.
2. The shift position commanded by the ECM is shown in the Data List/Shift Status display on the Techstream.

Scheme 1980

1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0766) Connect Techstream to the DLC3. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs using the Techstream. Result Display (DTC output) Proceed to Only P0766 is output A P0766 and other DTCs are output B HINT: If any other codes besides P0766 are output, perform troubleshooting for those DTCs first. B --> GO TO DTC CHART A: Go to next step
2. INSPECT SHIFT SOLENOID VALVE S4 Remove the shift solenoid valve S4. Measure the resistance between the solenoid valve terminal and solenoid valve body. Standard resistance 11 to 15 ohms at 20°C (68°F) Connect the battery's positive (+) lead to the terminal of the solenoid valve connector, and the negative (-) lead to the solenoid body. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE S4 OK: Go to next step
3. INSPECT TRANSMISSION VALVE BODY ASSEMBLY Check the transmission valve body assembly. OK There are no foreign objects on each valve. NG --> REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY OK: Go to next step
4. INSPECT TORQUE CONVERTER ASSEMBLY Check the torque converter assembly.Refer to «INSPECTION»(ref-493419-S05873890872012081000000) . OK The torque converter assembly operates normally. NG --> REPLACE TORQUE CONVERTER ASSEMBLY OK --> REPAIR OR REPLACE AUTOMATIC TRANSAXLE ASSEMBLY

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Performing Techstream's Active Test allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time.

The Data List can be displayed during the Active Test.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Active Test.
6. Follow the instructions on the Techstream and perform the Active Test.

HINT

While driving, the shift position can be forcibly changed with the Techstream.

Comparing the shift position commanded by the Active Test with the actual shift position enables you to confirm the problem.Refer to FAIL-SAFE CHART .

ECM

HINT

1. This test can be conducted when the vehicle speed is 50 km/h (31 mph) or less.
2. The shift position commanded by the ECM is shown in the Data List/Shift Status display on the Techstream.

Scheme 1981

1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0771) Connect Techstream to the DLC3. Turn the ignition switch to ON and turn the Techstream on. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. Read the DTCs using the Techstream. Result Display (DTC output) Proceed to Only P0771 is output A P0771 and other DTCs are output B HINT: If any other codes besides P0771 are output, perform troubleshooting for those DTCs first. B --> GO TO DTC CHART A: Go to next step
2. INSPECT SHIFT SOLENOID VALVE SR Remove the shift solenoid valve SR. Measure the resistance between the solenoid valve terminal and solenoid valve body. Standard resistance 11 to 15 ohms at 20°C (68°F) Connect the battery's positive (+) lead to the terminal of the solenoid valve connector, and the negative (-) lead to the solenoid body. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE SR OK: Go to next step
3. INSPECT TRANSMISSION VALVE BODY ASSEMBLY Check the transmission valve body assembly. OK There are no foreign objects on each valve. NG --> REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY OK: Go to next step
4. INSPECT TORQUE CONVERTER ASSEMBLY Check the torque converter assembly.Refer to «INSPECTION»(ref-493419-S05873890872012081000000) . OK The torque converter assembly operates normally. NG --> REPLACE TORQUE CONVERTER ASSEMBLY OK --> REPAIR OR REPLACE AUTOMATIC TRANSAXLE ASSEMBLY

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Performing Techstream's Active Test allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time.

The Data List can be displayed during the Active Test.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Active Test.
6. Follow the instructions on the Techstream and perform the Active Test.

HINT

While driving, the shift position can be forcibly changed with the Techstream.

Comparing the shift position commanded by the Active Test with the actual shift position enables you to confirm the problem.Refer to FAIL-SAFE CHART .

ECM

HINT

1. This test can be conducted when the vehicle speed is 50 km/h (31 mph) or less.
2. The shift position commanded by the ECM is shown in the Data List/Shift Status display on the Techstream.

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

Scheme 1982

Scheme 1983

1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SL2) Disconnect the B32 wire connector. Measure the resistance of the transmission wire. Standard resistance Tester Connection Condition Specified Condition 5 (SL2+) - 12 (SL2-) 20°C (68°F) 5.0 to 5.6 ohms 5 (SL2+) - Body ground 20°C (68°F) 10 kohms or higher 12 (SL2-) - Body ground 20°C (68°F) 10 kohms or higher NG --> See step 3 OK: Go to next step
2. CHECK WIRE HARNESS (TRANSMISSION WIRE - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Condition Specified Condition B30-12 (SL2+) - B30-13 (SL2-) 20°C (68°F) 5.0 to 5.6 ohms B30-12 (SL2+) - Body ground 20°C (68°F) 10 kohms or higher B30-13 (SL2-) - Body ground 20°C (68°F) 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM
3. INSPECT SHIFT SOLENOID VALVE SL2 Remove the shift solenoid valve SL2. Measure the resistance of the solenoid valve. Standard resistance 5.0 to 5.6 ohms at 20°C (68°F) Connect the battery's positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE SL2 OK --> REPAIR OR REPLACE TRANSMISSION WIRE

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Using Techstream's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

Note. In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Data List.
6. Follow the instructions on the Techstream and read the Data List.

ECM

HINT

1. SPD (NC) is always 0 rpm while driving: Open or short in the sensor or circuit.
2. SPD (NC) is always more than 0 and less than 300 rpm while driving the vehicle at 50 km/h (31 mph) or more: Sensor trouble, improper installation, or intermittent connection trouble of the circuit.

Scheme 1984

1. INSPECT SPEED SENSOR (INSTALLATION) Check the speed sensor NC installation. OK Installation bolt is tightened properly and there is no clearance between the sensor and transaxle case. NG --> REPLACE SPEED SENSOR NC OK: Go to next step
2. INSPECT SPEED SENSOR NC Disconnect the B24 sensor connector from the transaxle. Measure the resistance of the sensor. Standard resistance Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 560 to 680 ohms NG --> REPLACE SPEED SENSOR NC OK: Go to next step
3. CHECK WIRE HARNESS (SPEED SENSOR - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Specified Condition B30-124 (NC+) - B30-123 (NC-) 560 to 680 ohms B30-124 (NC+) - Body ground 10 kohms or higher B30-123 (NC-) - Body ground 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Performing Techstream's Active Test allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time.

The Data List can be displayed during the Active Test.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Active Test.
6. Follow the instructions on the Techstream and perform the Active Test.

HINT

While driving, the shift position can be forcibly changed with the Techstream.

Comparing the shift position commanded by the Active Test with the actual shift position enables you to confirm the problem.Refer to FAIL-SAFE CHART .

ECM

HINT

1. This test can be conducted when the vehicle speed is 50 km/h (31 mph) or less.
2. The shift position commanded by the ECM is shown in the Data List/Shift Status display on the Techstream.

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

Scheme 1985

Scheme 1986

1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SL3) Disconnect the B32 wire connector. Measure the resistance of the transmission wire. Standard resistance Tester Connection Condition Specified Condition 4 (SL3+) - 11 (SL3-) 20°C (68°F) 5.0 to 5.6 ohms 4 (SL3+) - Body ground 20°C (68°F) 10 kohms or higher 11 (SL3-) - Body ground 20°C (68°F) 10 kohms or higher NG --> See step 3 OK: Go to next step
2. CHECK WIRE HARNESS (TRANSMISSION WIRE - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Condition Specified Condition B30-14 (SL3+) - B30-15 (SL3-) 20°C (68°F) 5.0 to 5.6 ohms B30-14 (SL3+) - Body ground 20°C (68°F) 10 kohms or higher B30-15 (SL3-) - Body ground 20°C (68°F) 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM
3. INSPECT SHIFT SOLENOID VALVE SL3 Remove the shift solenoid valve SL3. Measure the resistance of the solenoid valve. Standard resistance 5.0 to 5.6 ohms at 20°C (68°F) Connect the battery's positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE SL3 OK --> REPAIR OR REPLACE TRANSMISSION WIRE

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

Scheme 1987

Scheme 1988

1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE S4) Disconnect the B32 wire connector. Measure the resistance of the transmission wire. Standard resistance Tester Connection Condition Specified Condition 3 (S4) - Body ground 20°C (68°F) 11 to 15 ohms NG --> See step 3 OK: Go to next step
2. CHECK WIRE HARNESS (TRANSMISSION WIRE - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Condition Specified Condition B30-4 (S4) - Body ground 20°C (68°F) 11 to 15 ohms NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM
3. INSPECT SHIFT SOLENOID VALVE S4 Remove the shift solenoid valve S4. Measure the resistance of the solenoid valve. Standard resistance 11 to 15 ohms at 20°C (68°F) Connect the battery's positive (+) lead to the terminal of the solenoid valve connector, and the negative (-) lead to the solenoid body. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE S4 OK --> REPAIR OR REPLACE TRANSMISSION WIRE

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

Scheme 1989

Scheme 1990

1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SR) Disconnect the B32 wire connector. Measure the resistance of the transmission wire. Standard resistance Tester Connection Condition Specified Condition 9 (SR) - Body ground 20°C (68°F) 11 to 15 ohms NG --> See step 3 OK: Go to next step
2. CHECK WIRE HARNESS (TRANSMISSION - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Condition Specified Condition B30-6 (SR) - Body ground 20°C (68°F) 11 to 15 ohms NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM
3. INSPECT SHIFT SOLENOID VALVE SR Remove the shift solenoid valve SR. Measure the resistance of the solenoid valve. Standard resistance 11 to 15 ohms at 20°C (68°F) Connect the battery's positive (+) lead to the terminal of the solenoid valve connector, and the negative (-) lead to the solenoid body. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE SR OK --> REPAIR OR REPLACE TRANSMISSION WIRE

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

HINT

Performing Techstream's Active Test allows relay, VSV, actuator and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time.

The Data List can be displayed during the Active Test.

1. Warm up the engine.
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch to ON and turn the Techstream on.
5. Enter the following menus: Powertrain / Engine and ECT / Active Test.
6. Perform the Active Test. ECM: Tester Display Test Part Control Range Diagnostic Note Activate the Solenoid (SLT)* [Test Details] Operate shift solenoid SLT and raise line pressure [Vehicle Condition] Vehicle stopped IDL: ON HINT: OFF: Line pressure up (when Active Test "Activate the Solenoid (SLT)" is performed, ECM commands SLT solenoid to turn OFF) ON: No action (normal operation) ON/OFF - HINT: *: "Activate the Solenoid (SLT)" in the Active Test is performed to check the line pressure changes by connecting SST to the automatic transaxle, which is used in the HYDRAULIC TEST. Refer to «HYDRAULIC TEST»(ref-493461-S12760000052012081000000) as well. Please note that the pressure values in the Active Test and HYDRAULIC TEST are different.

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

Scheme 1991

Scheme 1992

1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SLT) Disconnect the B32 wire connector. Measure the resistance of the transmission wire. Standard resistance Tester Connection Condition Specified Condition 2 (SLT+) - 8 (SLT-) 20°C (68°F) 5.0 to 5.6 ohms 2 (SLT+) - Body ground 20°C (68°F) 10 kohms or higher 8 (SLT-) - Body ground 20°C (68°F) 10 kohms or higher NG --> See step 3 OK: Go to next step
2. CHECK WIRE HARNESS (TRANSMISSION WIRE - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Condition Specified Condition B30-9 (SLT+) - B30-8 (SLT-) 20°C (68°F) 5.0 to 5.6 ohms B30-9 (SLT+) - Body ground 20°C (68°F) 10 kohms or higher B30-8 (SLT-) - Body ground 20°C (68°F) 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM
3. INSPECT SHIFT SOLENOID VALVE SLT Remove the shift solenoid valve SLT. Measure the resistance of the solenoid valve. Standard resistance 5.0 to 5.6 ohms at 20°C (68°F) Connect the battery's positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE SLT OK --> REPAIR OR REPLACE TRANSMISSION WIRE

Note. Perform the universal trip to clear permanent DTCs.Refer to DTC CHECK / CLEAR .

Scheme 1993

1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE DSL) Disconnect the B32 wire connector. Measure the resistance of the transmission wire. Standard resistance Tester Connection Condition Specified Condition 10 (DSL) - Body ground 20°C (68°F) 11 to 13 ohms NG --> See step 3 OK: Go to next step
2. CHECK WIRE HARNESS (TRANSMISSION WIRE - ECM) Disconnect the B30 ECM connector. Measure the resistance of the wire harness side connector. Standard resistance Tester Connection Condition Specified Condition B30-3 (DSL) - Body ground 20°C (68°F) 11 to 13 ohms NG --> REPAIR OR REPLACE HARNESS AND CONNECTOR OK --> REPLACE ECM
3. INSPECT SHIFT SOLENOID VALVE DSL Remove the shift solenoid valve DSL. Measure the resistance between the solenoid valve terminal and solenoid valve body. Standard resistance 11 to 13 ohms at 20°C (68°F) Connect the battery's positive (+) lead to the terminal of the solenoid valve connector, and the negative (-) lead to the solenoid body. Then check that the valve moves and makes an operating noise. OK Valve moves and makes operating noise. NG --> REPLACE SHIFT SOLENOID VALVE DSL OK --> REPAIR OR REPLACE TRANSMISSION WIRE