PRECAUTION
Note. Perform the RESET MEMORY (AT initialization) when replacing the automatic transaxle assy, engine assy or ECM (See INITIALIZATION ).
HINT
Initialization can not be completed by only disconnecting the battery terminal.
DEFINITION OF TERMS
| Term | Definition |
|---|---|
| Monitor description | Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and its details). |
| Related DTCs | Diagnostic code |
| Typical enabling condition | Preconditions that allow the ECM to detect malfunctions. With all preconditions satisfied, the ECM sets the DTC when the monitored value (s) exceeds the malfunction threshold (s). |
| Sequence of operation | The priority order that is applied to monitoring, if multiple sensors and components are used to detect the malfunction. While another sensor is being monitored, the next sensor or component will not be monitored until the previous monitoring has concluded. |
| Required sensor/components | The sensors and components that are used by the ECM to detect malfunctions. |
| Frequency of operation | The number of times that the ECM checks for malfunctions per driving cycle. "Once per driving cycle" means that the ECM detects malfunction only one time during a single driving cycle. "Continuous" means that the ECM detects malfunction every time when enabling condition is met. |
| Duration | The minimum time that the ECM must sense a continuous deviation in the monitored value (s) before setting a DTC. This timing begins after the "typical enabling conditions" are met. |
| Malfunction thresholds | Beyond this value, the ECM will conclude that there is a malfunction and set a DTC. |
| MIL operation | MIL illumination timing after a defect is detected. "Immediately" means that the ECM illuminates MIL the instant the ECM determines that there is a malfunction. "2 driving cycle" means that the ECM illuminates MIL if the same malfunction is detected again in the 2nd driving cycle. |
| Component operating range | Normal operation range of sensors and solenoids under normal driving conditions. Use these ranges as a reference. They cannot be used to judge if a sensor or solenoid is defective or not. |
DEFINITION OF TERMS
PART AND SYSTEM NAME LIST
This reference list indicates the part names used in this manual along with their definitions.
| Part and system name | Definition |
|---|---|
| Toyota HCAC system, Hydrocarbon adsorptive Catalyst (HCAC) system, HC adsorptive three-way catalyst | HC adsorptive three-way catalytic converter |
| Variable Valve Timing sensor, VVT sensor | Camshaft position sensor |
| Variable valve timing system, VVT system | Camshaft timing control system |
| Camshaft timing oil control valve, Oil control valve OCV, VVT, VSV | Camshaft timing oil control valve |
| Variable timing and lift, VVTL | Camshaft timing and lift control |
| Crankshaft position sensor "A" | Crankshaft position sensor |
| Engine speed sensor | Crankshaft position sensor |
| THA | Intake air temperature |
| Knock control module | Engine knock control module |
| Knock sensor | Engine knock sensor |
| Mass or volume air flow circuit | Mass air flow sensor circuit |
| Vacuum sensor | Manifold air pressure sensor |
| Internal control module, Control module, Engine control ECU, PCM | Power train control module |
| FC idle | Deceleration fuel cut |
| Idle air control valve | Idle speed control |
| VSV for CCV, Canister close valve VSV for canister control | Evaporative emissions canister vent valve |
| VSV for EVAP, Vacuum switching valve assembly No. 1, EVAP VAV, Purge VSV | Evaporative emissions canister purge valve |
| VSV for pressure switching valve, Bypass VSV | Evaporative emission pressure switching valve |
| Vapor pressure sensor, EVAP pressure sensor, Evaporative emission control system pressure sensor | Fuel tank pressure sensor |
| Charcoal canister | Evaporative emissions canister |
| ORVR system | On-board refueling vapor recovery system |
| Intake manifold runner control | Intake manifold tuning system |
| Intake manifold runner valve, IMRV, IACV (runner valve) | Intake manifold tuning valve |
| Intake control VSV | Intake manifold tuning solenoid valve |
| AFS | Air fuel ratio sensor |
| O2 sensor | Heater oxygen sensor |
| Oxygen sensor pumping current circuit | Oxygen sensor output signal |
| Oxygen sensor reference ground circuit | Oxygen sensor signal ground |
| Accel position sensor | Accelerator pedal position sensor |
| Throttle actuator control motor, Actuator control motor, Electronic throttle motor, Throttle control motor | Electronic throttle actuator |
| Electronic throttle control system, Throttle actuator control system | Electronic throttle control system |
| Throttle/pedal position sensor, Throttle/pedal position switch, Throttle position sensor/switch | Throttle position sensor |
| Turbo press sensor | Turbocharger pressure sensor |
| Turbo VSV | Turbocharger pressure control solenoid valve |
| P/S pressure switch | Power-steering pressure switch |
| VSV for ACM | Active control engine mount |
| Speed sensor, Vehicle speed sensor "A", Speed sensor for skid control ECU | Vehicle speed sensor |
| ATF temperature sensor, Trans, fluid temp, sensor, ATF temperature sensor "A" | Transmission fluid temperature sensor |
| Electronic controlled automatic transmission, ECT | Electronically controlled automatic |
| Intermediate shaft speed sensor "A" | Counter gear speed sensor |
PART AND SYSTEM NAME LIST
| Part and system name | Definition |
|---|---|
| Output speed sensor | Output shaft speed sensor |
| Input speed sensor, Input turbine speed sensor "A", Speed sensor (NT), Turbine speed sensor | Input turbine speed sensor |
| PNP switch, NSW | Park/neutral position switch |
| Pressure control solenoid | Transmission pressure control solenoid |
| Shift solenoid | Transmission shift solenoid valve |
| Transmission control switch, Shift lock control unit | Shift lock control module |
| Engine immobilizer system, Immobilizer system | Vehicle anti-theft system |
PART AND SYSTEM NAME LIST
Scheme 202
SYSTEM DIAGRAM
The configuration of the electronic control system in the U341F automatic transaxles is as shown in the following chart.
Scheme 203
INITIALIZATION
- RESET MEMORY CAUTION: Perform the RESET MEMORY (AT initialization) when replacing the automatic transaxle assy, engine assy or ECM. NOTE: Hand-held tester only HINT: The ECM memorizes the condition that the ECT controls the automatic transaxle assy and engine assy according to those characteristics. Therefore, when the automatic transaxle assy, engine assy, or ECM has been replaced, it is necessary to reset the memory so that the ECM can memorize the new information. Reset procedure is as follows. Turn the ignition switch off. Connect the hand-held tester to the DLC3. Turn the ignition switch to the ON position and push the hand-held tester main switch on. Select the item "DIAGNOSIS/ENHANCED OBD II". Perform the reset memory procedure from the ENGINE menu.
| CAUTION | After performing the RESET MEMORY, be sure to perform the ROAD TEST (See ROAD TEST ) described earlier. |
HINT
The ECM is learned by performing the ROAD TEST.
Scheme 204
LIST OF DISABLE A MONITOR
HINT
This table indicates ECM monitoring status for the items in the upper columns if the DTCs in each line on the left are being set.
As for the "X" mark, when the DTC on the left is stored, detection of the DTC in the upper column is not performed.
Scheme 205
Scheme 206
Scheme 207
Scheme 208
Scheme 209
Scheme 210
MONITOR DRIVE PATTERN
- MONITOR DRIVE PATTERN FOR ECT TEST Perform this drive pattern as one method to simulate the detection conditions of the ECT malfunctions. (The DTCs may not be detected due the actual driving conditions. And some codes may not be detected through this drive pattern). HINT: Preparation for driving Warm up the engine sufficiently. (Engine coolant temperature is 60°C (140°F) or higher) Drive the vehicle when the atmospheric temperature is -10°C (14°F) or higher. (Malfunction is not detected when the atmospheric temperature is -10°C (14°F) or less) Driving note Drive the vehicle through all gears. Stop --> 1st --> 2nd --> 3rd --> O/D --> O/D (lock up ON). Repeat the above driving pattern three times or more. NOTE: The monitor status can be checked using the OBDII scan tool. When using the hand-held tester, monitor status can be found in the "ENHANCED OBD I I/DATA LIST" or under "CARB OBD II". In the event that the drive pattern must be interrupted (possibly due to traffic conditions or other factors) the drive pattern can be resumed and, in most cases, the monitor can be completed. CAUTION: Perform this drive pattern on a level road as much as possible and strictly observe the posted speed limits and traffic laws while driving.
Scheme 211
HINT
*1: Drive at such a speed in the uppermost gear, to engage lock up. The vehicle can be driven at a speed lower than that in the above diagram under the lock up condition.
Note. It is necessary to drive the vehicle for approximately 30 minutes to detect DTC P0711 (ATF temperature sensor malfunction).
MONITOR STRATEGY
| Related DTCs | P0705: Park/neutral position switch/Verify switch input |
|---|---|
| Required sensors/Components | Park/neutral position switch |
| Frequency of operation | Continuous |
| Duration | 2 sec. |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |
MONITOR STRATEGY CHART
TYPICAL ENABLING CONDITION
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Ignition switch | ON |
| Battery voltage | 10.5V or more |
TYPICAL ENABLING CONDITION CHART
TYPICAL MALFUNCTION THRESHOLDS
| Number of the following signal input at the same time | 2 or more |
|---|---|
| NSW switch | ON |
| R switch | ON |
| D switch | ON |
| 2 switch | ON |
| L switch | ON |
TYPICAL MALFUNCTION THRESHOLDS CHART
COMPONENT OPERATING RANGE
| Park/neutral position switch | The park/neutral position switch sends only one signal to the ECM. |
COMPONENT OPERATING RANGE CHART
Scheme 212
| Related DTCs | P0710: ATF temperature sensor/Range check (Fluttering) P0712: ATF temperature sensor/Range check (Low resistance) P0713: ATF temperature sensor/Range check (High resistance) |
|---|---|
| Required sensors/Components | ATF temperature sensor |
| Frequency of operation | Continuous |
| Duration | 0.5 sec. |
| MIL operation | Immediate |
| Sequence of operation | None |
MONITOR STRATEGY CHART
P0710: Range check (Fluttering)
P0712: Range check (Low resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| The typical enabling condition is not available. |
TYPICAL ENABLING CONDITION CHART P0712: RANGE CHECK (LOW RESISTANCE)
P0713: Range check (High resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Time after engine start | 15min. or more |
TYPICAL ENABLING CONDITION CHART P0713: RANGE CHECK (HIGH RESISTANCE)
P0710: Range check (Fluttering)
| TFT Sensor resistance | Less than 79 ohm or More than 156 kohm |
TYPICAL MALFUNCTION THRESHOLDS CHART P0710: RANGE CHECK (FLUTTERING)
P0712: Range check (Low resistance)
| TFT Sensor resistance | Less than 79 ohm |
TYPICAL MALFUNCTION THRESHOLDS CHART P0712: RANGE CHECK (LOW RESISTANCE)
P0713: Range check (High resistance)
| TFT Sensor resistance | More than 156 kohm |
TYPICAL MALFUNCTION THRESHOLDS CHART P0713: RANGE CHECK (HIGH RESISTANCE)
| ATF temperature sensor | Resistance: 79 ohm to 156 kohm |
COMPONENT OPERATING RANGE CHART
Scheme 213
| Related DTCs | P0711: ATF temperature sensor "A"/Rationality check |
|---|---|
| Required sensors/Components | ATF temperature sensor |
| Frequency of operation | Continuous |
| Duration | 3 sec. |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |
MONITOR STRATEGY CHART
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Time after engine start up | 1 6 min. and 40 sec. or more |
| ECT | 15°C (5°F) or more |
| ATF temperature sensor circuit ECT (Engine coolant temperature) sensor circuit IAT (Intake air temperature) sensor circuit Throttle position sensor circuit | There is no malfunction in the circuit shown on the left. |
| Driving distance after engine start | 9 km (5.6 mile) or more |
| IAT (1 2 sec. after engine start) | 10°C (14°F) or more |
| ECT (1 2 sec. after engine start) | 10°C (14°F)or more |
TYPICAL ENABLING CONDITION CHART
| ATF temperature | Less than 10°C (50°F) |
TYPICAL MALFUNCTION THRESHOLDS CHART
| ATF temperature | Resistance: 79 ohm to 156 kohm |
COMPONENT OPERATING RANGE CHART
Scheme 214
| Related DTCs | P071 7: Turbine speed sensor/Verify pulse input |
|---|---|
| Required sensors/Components | Speed sensor (NT) |
| Frequency of operation | Continuous |
| Duration | 5 sec. |
| MIL operation | Immediate |
| Sequence of operation | None |
MONITOR STRATEGY CHART
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Shift change | Shift change is completed and before starting next shift change operation |
| ECM selected gear | 3rd or 4th |
| Output shaft RPM | 1,000 RPM or more |
| NSW switch | OFF |
| R switch | OFF |
| L switch | OFF |
| Engine | Running |
TYPICAL ENABLING CONDITION CHART
| Sensor signal RPM | Less than 300 RPM |
TYPICAL MALFUNCTION THRESHOLDS CHART
| Speed sensor (NT) | Resistance: 560 to 680 ohm |
COMPONENT OPERATING RANGE CHART
Scheme 215
Scheme 216
Scheme 217
Scheme 218
Scheme 219
- INSPECT SPEED SENSOR INSTALLATION CHECK the speed sensor installation. OK: The installation bolt is tightened properly and there is no clearance between the sensor and transaxle case. NG: REPLACE SPEED SENSOR (NT) OK: Go to next step.
- INSPECT SPEED SENSOR (NT) Disconnect the speed sensor connector from the transaxle. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (1 OF 2) Tester Connection Specified Condition 20°C (68°F) 1-2 560 to 680 ohm NG: REPLACE SPEED SENSOR (NT) OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (SPEED SENSOR - ECM) Connect the speed sensor connector. Disconnect the ECM connector. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (2 OF 2) Tester Connection Specified Condition 20°C (68°F) E4 - 27 (NT+) - E4 - 35 (NT-) 560 to 680 ohm Measure the resistance according to the value (s) in the table below. Standard (Check for short): NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-225870-S07964031912006032300000) ) OK: REPLACE «ECM (1ZZ-FE/2ZZ-GE)»(ref-225896-S34427753102006032300000) )
| Related DTCs | P0724: Stop light switch/Range check/Rationality |
|---|---|
| Required sensors/Components | Stop light switch |
| Frequency of operation | Continuous |
| Duration | GO and STOP 5 times |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |
MONITOR STRATEGY CHART
The stop light switch remains on during GO and STOP 5 times.
GO and STOP is defined as follows
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| GO: Vehicle speed | 30 km/h (1 8.63 mph) or more |
| STOP: Vehicle speed | Less than 3 km/h (1.86 mph) |
TYPICAL ENABLING CONDITION CHART
| Brake switch status | ON stuck |
TYPICAL MALFUNCTION THRESHOLDS CHART
Scheme 220
| Related DTCs | P0741: Torque converter clutch solenoid (SL)/OFF malfunction P0741: Torque converter clutch solenoid (SL)/ON malfunction |
|---|---|
| Required sensors/Components | Torque converter clutch solenoid (SL) |
| Frequency of operation | Continuous |
| Duration | OFF malfunction: 3.5 sec. ON malfunction: 1.8 sec. |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |
MONITOR STRATEGY CHART
The following items are common to all conditions below.
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| ECT | 60°C (140°F)or more |
| Vehicle speed range | 25 km/h (1 5.5 mph) or more |
| Transmission shift position | "D" |
| ECM selected gear | 3rd or 4th |
| Shift solenoid "A" (S1) circuit Shift solenoid "B" (S2) circuit Torque converter clutch solenoid (SL) circuit ECT sensor circuit Input (turbine) speed sensor circuit Internal counter shaft speed sensor circuit Throttle position sensor circuit | There is no malfunction in the circuits shown on the left. |
TYPICAL ENABLING CONDITION CHART
OFF malfunction
| ECM lock up command | ON |
TYPICAL ENABLING CONDITION CHART OFF MALFUNCTION
ON malfunction
| ECM lock up command | OFF |
|---|---|
| Throttle valve opening angle | 8% or more |
| Vehicle speed | Less than 60 km/h (37.3 mph) |
TYPICAL ENABLING CONDITION CHART ON MALFUNCTION
OFF malfunction
| Engine speed - Input shaft speed (NE - NT) NE: Engine speed NT: Input (turbine) speed | 100 RPM or more |
TYPICAL MALFUNCTION THRESHOLDS CHART OFF MALFUNCTION
ON malfunction
It is necessary 2 judgments/driving cycle.
1st judgment: Temporary flag ON.
2nd judgment: Pending fault code ON.
Vehicle speed must be under 10 km/h (6.2 mph) once before 2nd judgment.
| Engine speed - Input shaft speed (INE - NTI) NE: Engine speed NT: Input (turbine) speed | Less than 35 RPM |
TYPICAL MALFUNCTION THRESHOLDS CHART ON MALFUNCTION
| Related DTCs | P0751: Shift solenoid valve S1/OFF malfunction P0751: Shift solenoid valve S1/ON malfunction |
|---|---|
| Required sensors/Components | Shift solenoid valve S1 |
| Frequency of operation | Continuous |
| Duration | OFF malfunction (A): 0.85 sec. OFF malfunction (B): 0.8 sec. ON malfunction (A) (B): 0.8 sec. |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |
MONITOR STRATEGY CHART
The following items are common to all conditions below.
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| ECT | 60°C (140°F) or more |
| Transmission shift position | "D" |
| Shift solenoid "A" (S1) circuit Shift solenoid "B" (S2) circuit ECT sensor circuit Input (turbine) speed sensor circuit Internal counter shaft speed sensor circuit Throttle position sensor circuit | There is no malfunction in the sensor circuits shown on the left |
TYPICAL ENABLING CONDITION CHART
OFF malfunction (A)
| ECM selected gear | 1st |
|---|---|
| Vehicle speed | 9 km/h (5.6 mph) or more and Less than 40 km/h (24.9 mph) |
| Throttle valve opening angle | 7 % or more 4 % or more at engine speed 1,900 RPM (Condition vary with engine speed) |
TYPICAL ENABLING CONDITION CHART OFF MALFUNCTION (A)
OFF malfunction (B)
| Current ECM selected gear | 4th |
|---|---|
| Last ECM selected gear | 3rd |
TYPICAL ENABLING CONDITION CHART OFF MALFUNCTION (B)
ON malfunction (A)
| Current ECM selected gear | 4th |
|---|---|
| Last ECM selected gear | 3rd |
TYPICAL ENABLING CONDITION CHART ON MALFUNCTION (A)
ON malfunction (B)
| ECM selected gear | 4th |
|---|---|
| Vcurrent-Vlast Vcurrent: Vehicle speed at current ECM selected gear Vlast: Vehicle speed at last ECM selected gear | Less than 15 km/h (9.3 mph) |
| THcurrent-THlast TH current: Throttle valve opening angle at current ECM selected gear THlast: Throttle valve opening angle at last ECM selected gear | Less than 20 % |
| Vehicle speed (current) | Less than 85 km/h (52.8 mph) |
| Throttle valve opening angle (current) | Less than 35 % |
| Engine speed (current) | 3,200 RPM or more |
TYPICAL ENABLING CONDITION CHART ON MALFUNCTION (B)
[OFF malfunction]
Following conditions met OFF malfunction (A) and (B).
It is necessary 2 judgments/driving cycle.
1st judgment: Temporary flag ON.
2nd judgment: Pending fault code ON.
OFF malfunction (A)
| Input speed/Output speed (NT/NO) NT: Input (turbine) speed NO: Internal counter shaft speed | 0.64 or more and Less than 0.78 |
TYPICAL MALFUNCTION THRESHOLDS CHART OFF MALFUNCTION (A)
OFF malfunction (B)
| Input speed/Output speed (NT/NO) NT: Input (turbine) speed NO: Internal counter shaft speed | Changed as follows 0.95 or more and less than 1.09 (Last) to 0.64 or more and less than 0.78 (Current) |
TYPICAL MALFUNCTION THRESHOLDS CHART OFF MALFUNCTION (B)
[ON malfunction]
Following conditions met ON malfunction (A) and (B).
ON malfunction (A)
| Input speed/Output speed (NT/NO) NT: Input (turbine) speed NO: Internal counter shaft speed | Not changed as follows 0.95 or more and less than 1.09 (Last) to 0.64 or more and less than 0.78 (Current) |
TYPICAL MALFUNCTION THRESHOLDS CHART ON MALFUNCTION (A)
ON malfunction (B)
| NEcurrent-NElast NE current: Engine speed at current ECM selected gear NElast: Engine speed at last ECM last selected gear | 1,100 RPM or more |
TYPICAL MALFUNCTION THRESHOLDS CHART ON MALFUNCTION (B)
| Related DTCs | P0756: Shift solenoid valve S2/OFF malfunction P0756: Shift solenoid valve S2/ON malfunction |
|---|---|
| Required sensors/Components | Shift solenoid valve S2 |
| Frequency of operation | Continuous |
| Duration | 0.85 sec. |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |
MONITOR STRATEGY CHART
The following items are common to all conditions below.
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| ECT | 60° C (140°F) or more |
| Transmission shift position | "D" |
| Shift solenoid "A" (S1) circuit Shift solenoid "B" (S2) circuit ECT sensor circuit Input (turbine) speed sensor circuit Internal counter shaft speed sensor circuit Throttle position sensor circuit | There is no malfunction in the circuits shown on the left |
TYPICAL ENABLING CONDITION CHART
OFF malfunction (A)
| ECM selected gear | 1st |
|---|---|
| Vehicle speed | 9 km/h (5.6 mph) or more and Less than 40 km/h (24.9 mph) |
| Throttle valve opening angle | 4 % or more at engine speed 1,900 RPM (Condition vary with engine speed) |
TYPICAL ENABLING CONDITION CHART OFF MALFUNCTION (A)
OFF malfunction (B)
| ECM selected gear | 3rd |
|---|---|
| Vehicle speed | 9 km/h (5.6 mph) or more |
| Throttle valve opening angle | 4 % or more at engine speed 1,900 RPM (Condition vary with engine speed) |
TYPICAL ENABLING CONDITION CHART OFF MALFUNCTION (B)
OFF malfunction (C)
| ECM selected gear | 4th |
|---|---|
| Vehicle speed | 9 km/h (5.6 mph) or more |
| Throttle valve opening angle | 4 % or more at engine speed 1,900 RPM (Condition vary with engine speed) |
TYPICAL ENABLING CONDITION CHART OFF MALFUNCTION (C)
ON malfunction (A)
| ECM selected gear | 2nd |
|---|---|
| Vehicle speed | 9 km/h (5.6 mph) or more |
| Throttle valve opening angle | 4 % or more at engine speed 1,900 RPM (Condition vary with engine speed) |
TYPICAL ENABLING CONDITION CHART ON MALFUNCTION (A)
ON malfunction (B)
| ECM selected gear | 3rd |
|---|---|
| Vehicle speed | 9 km/h (5.6 mph) or more |
| Throttle valve opening angle | 4 % or more at engine speed 1,900 RPM (Condition vary with engine speed) |
TYPICAL ENABLING CONDITION CHART ON MALFUNCTION (B)
ON malfunction (C)
| ECM selected gear | 4th |
|---|---|
| Vehicle speed | 9 km/h (5.6 mph) or more |
| Throttle valve opening angle | 4 % or more at engine speed 1,900 RPM (Condition vary with engine speed) |
TYPICAL ENABLING CONDITION CHART ON MALFUNCTION (C)
[OFF malfunction]
Following conditions met OFF malfunction (A), (B) and (C)
It is necessary 2 judgments/driving cycle.
1st judgment: Temporary flag ON.
2nd judgment: Pending fault code ON.
OFF malfunction (A)
| Input speed/Output speed (NT/NO) NT: Input (turbine) speed NO: Internal counter shaft speed | 1.50 or more and Less than 1.80 |
TYPICAL MALFUNCTION THRESHOLDS CHART OFF MALFUNCTION (A)
OFF malfunction (B)
| Input speed/Output speed (NT/NO) NT: Input (turbine) speed NO: Internal counter shaft speed | 0.95 or more and Less than 1.09 |
TYPICAL MALFUNCTION THRESHOLDS CHART OFF MALFUNCTION (B)
OFF malfunction (C)
| Input speed/Output speed (NT/NO) NT: Input (turbine) speed NO: Internal counter shaft speed | 0.95 or more and Less than 1.09 |
TYPICAL MALFUNCTION THRESHOLDS CHART OFF MALFUNCTION (C)
[ON malfunction]
Following conditions met ON malfunction (A), (B) and (C)
ON malfunction (A)
| Input speed/Output speed (NT/NO) NT: Input (turbine) speed NO: Internal counter shaft speed | 2.75 or more and Less than 3.51 |
TYPICAL MALFUNCTION THRESHOLDS CHART ON MALFUNCTION (A)
ON malfunction (B)
| Input speed/Output speed (NT/NO) NT: Input (turbine) speed NO: Internal counter shaft speed | 0.64 or more and Less than 0.78 |
TYPICAL MALFUNCTION THRESHOLDS CHART ON MALFUNCTION (B)
ON malfunction (C)
| Input speed/Output speed (NT/NO) NT: Input (turbine) speed NO: Internal counter shaft speed | 0.64 or more and Less than 0.78 |
TYPICAL MALFUNCTION THRESHOLDS CHART ON MALFUNCTION (C)
| Related DTCs | P0787: Shift timing solenoid/Range check (Low resistance) P0788: Shift timing solenoid/Range check (High resistance) |
|---|---|
| Required sensors/Components | Shift solenoid valve ST |
| Frequency of operation | Continuous |
| Duration | 2 times or more |
| MIL operation | 1 driving cycle |
| Sequence of operation | None |
MONITOR STRATEGY CHART
TYPICAL ENABLING CONDITIONS
P0787: Range check (Low resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Solenoid | ON |
| Time after solenoid OFF to ON | More than 0.008 sec. |
TYPICAL ENABLING CONDITIONS CHART P0787: RANGE CHECK (LOW RESISTANCE)
P0788: Range check (High resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Solenoid | OFF |
| Time after solenoid ON to OFF | More than 0.008 sec. |
TYPICAL ENABLING CONDITIONS CHART P0788: RANGE CHECK (HIGH RESISTANCE)
P0787: Range check (Low resistance)
| Intelligent power MOS diagnosis fail signals detected while the solenoid is operated | Fail at solenoid resistance: 8 ohm or less |
TYPICAL MALFUNCTION THRESHOLDS CHART P0787: RANGE CHECK (LOW RESISTANCE)
P0788: Range check (High resistance)
| Intelligent power MOS diagnosis fail signals detected while the solenoid is not operated | Fail at solenoid resistance: 100 kohm or more |
TYPICAL MALFUNCTION THRESHOLDS CHART P0788: RANGE CHECK (HIGH RESISTANCE)
| Shift solenoid valve ST | Resistance: 11 to 15 ohm at 20°C (68°F) |
COMPONENT OPERATING RANGE CHART
Scheme 221
Scheme 222
Scheme 223
Scheme 224
- INSPECT TRANSMISSION WIRE (ST) Disconnect the transmission wire connector from the transaxle. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART Tester Connection Specified Condition 20°C (68°F) 2 - Body ground 11 to 15 ohm NG: Go to step 3 OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM) Connect the transmission connector to the transaxle. Disconnect the connector from the ECM. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART Tester Connection Specified Condition 20°C (68°F) E4 - 12 (ST) - Body ground 11 to 15 ohm NG: REPAIR OR REPLACE HARNESS CONNECTOR (See «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-225870-S07964031912006032300000) ) OR REPLACE «ECM (1ZZ-FE/2ZZ-GE)»(ref-225896-S34427753102006032300000) )
- INSPECT SHIFT SOLENOID VALVE (ST) Remove the shift solenoid valve ST. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART Tester Connection Specified Condition 20°C (68°F) Solenoid Connector (ST) - Solenoid Body (ST) 11 to 15ohm Connect positive (+) lead to the terminal of solenoid connector, negative (-) lead to the solenoid body. Standard: The solenoid makes an operating noise. NG: REPLACE SHIFT SOLENOID VALVE (ST) OK: REPAIR OR REPLACE «TRANSMISSION WIRE (U341F)»(ref-225917-S34448333022006032300000) )
| Related DTCs | P0973: Shift solenoid valve 81/Range check (Low resistance) P0974: Shift solenoid valve S1 /Range check (High resistance) |
|---|---|
| Required sensors/Components | Shift solenoid valve S1 |
| Frequency of operation | Continuous |
| Duration | 2 times or more |
| MIL operation | 1 driving cycle |
| Sequence of operation | None |
MONITOR STRATEGY CHART
P0973: Range check (Low resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Solenoid | ON |
| Time after solenoid OFF to ON | More than 0.008 sec. |
TYPICAL ENABLING CONDITION CHART P0973: RANGE CHECK (LOW RESISTANCE)
P0974: Range check (High resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Solenoid | OFF |
| Time after solenoid ON to OFF | More than 0.008 sec. |
TYPICAL ENABLING CONDITION CHART P0974: RANGE CHECK (HIGH RESISTANCE)
P0973: Range check (Low resistance)
| Intelligent power MOS diagnosis fail signals detected while the solenoid is operated | Fail at solenoid resistance: 8 ohm or less |
TYPICAL MALFUNCTION THRESHOLDS CHART P0973: RANGE CHECK (LOW RESISTANCE)
P0974: Range check (High resistance)
| Intelligent power MOS diagnosis fall signals detected while the solenoid is not operated | Fail at solenoid resistance: 100 kohm or more |
TYPICAL MALFUNCTION THRESHOLDS CHART P0974: RANGE CHECK (HIGH RESISTANCE)
| Shift solenoid valve S1 | Resistance:11 to 15 ohm at 20°C (68°F) |
COMPONENT OPERATING RANGE CHART
Scheme 225
Scheme 226
Scheme 227
Scheme 228
- INSPECT TRANSMISSION WIRE (S1) Disconnect the transmission wire connector from the transaxle. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (1 OF 3) Tester Connection Specified Condition 20°C (68°F) 5 - Body ground 11 to 15ohm NG: Go to step 3 OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM) Connect the transmission connector to the transaxle. Disconnect the connector from the ECM. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (2 OF 3) Tester Connection Specified Condition 20°C (68°F) E4 - 15 (S1) - Body ground 11 to 15 ohm NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-225870-S07964031912006032300000) ) OK: REPLACE «ECM (1ZZ-FE/2ZZ-GE)»(ref-225896-S34427753102006032300000) )
- INSPECT SHIFT SOLENOID VALVE (S1) Remove the shift solenoid valve S1. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (3 OF 3) Tester Connection Specified Condition 20°C (68°F) Solenoid Connector (S1) - Solenoid Body (S1) 11 to 15ohm Connect positive (+) lead to the terminal of solenoid connector, negative (-) lead to the solenoid body. Standard: The solenoid makes an operating noise. NG: REPLACE SHIFT SOLENOID VALVE (S1) OK: REPAIR OR REPLACE «TRANSMISSION WIRE (U341F)»(ref-225917-S34448333022006032300000) )
| Related DTCs | P0976: Shift solenoid valve S2/Range check (Low resistance) P0977: Shift solenoid valve S2/Range check (High resistance) |
|---|---|
| Required sensors/Components | Shift solenoid valve S2 |
| Frequency of operation | Continuous |
| Duration | 2 times or more |
| MIL operation | 1 driving cycle |
| Sequence of operation | None |
MONITOR STRATEGY CHART
P0976: Range check (Low resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Solenoid | ON |
| Time after solenoid OFF to ON | More than 0.008 sec. |
TYPICAL ENABLING CONDITION CHART P0976: RANGE CHECK (LOW RESISTANCE)
P0977: Range check (High resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Solenoid | OFF |
| Time after solenoid ON to OFF | More than 0.008 sec. |
TYPICAL ENABLING CONDITION CHART P0977: RANGE CHECK (HIGH RESISTANCE)
P0976: Range check (Low resistance)
| Intelligent power MOS diagnosis fail signals detected while the solenoid is operated | Fail at solenoid resistance: 8 ohm or less |
TYPICAL MALFUNCTION THRESHOLDS CHART P0976: RANGE CHECK (LOW RESISTANCE)
P0977: Range check (High resistance)
| Intelligent power MOS diagnosis fail signals detected while the solenoid is not operated | Fail at solenoid resistance: 100 kohm or more |
TYPICAL MALFUNCTION THRESHOLDS CHART P0977: RANGE CHECK (HIGH RESISTANCE)
| Shift solenoid valve S2 | Resistance: 11 to 15 ohm at 20°C (68°F) |
COMPONENT OPERATING RANGE CHART
Scheme 229
Scheme 230
Scheme 231
Scheme 232
- INSPECT TRANSMISSION WIRE (S2) Disconnect the transmission wire connector from the transaxle. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (1 OF 3) Tester Connection Specified Condition 20°C (68°F) 10 - Body ground 11 to 15ohm NG: Go to step 3 OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM) Connect the transmission connector to the transaxle. Disconnect the connector from the ECM. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (2 OF 3) Tester Connection Specified Condition 20°C (68°F) E4 - 14 (S2) - Body ground 11 to 15 ohm NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-225870-S07964031912006032300000) ) OK: REPLACE «ECM (1ZZ-FE/2ZZ-GE)»(ref-225896-S34427753102006032300000) )
- INSPECT SHIFT SOLENOID VALVE (S2) Remove the shift solenoid valve S2. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (3 OF 3) Tester Connection Specified Condition 20°C (68°F) Solenoid Connector (S2) - Solenoid Body (S2) 11 to 15 ohm Connect positive (+) lead to the terminal of solenoid connector, negative (-) lead to the solenoid body. Standard: The solenoid makes an operating noise. NG: REPLACE SHIFT SOLENOID VALVE (S2) OK: NG: REPAIR OR REPLACE «TRANSMISSION WIRE (U341F)»(ref-225917-S34448333022006032300000) )
Scheme 233
| Related DTCs | P2716: Shift solenoid valve SLT/Range check |
|---|---|
| Required sensors/Components | Shift solenoid valve SLT |
| Frequency of operation | Continuous |
| Duration | 1 sec. |
| MIL operation | 1 driving cycle |
| Sequence of operation | None |
MONITOR STRATEGY CHART
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Solenoid current cut status | Not cut |
| Battery voltage | 11V or more |
| CPU commanded duty | 19 % or more |
TYPICAL ENABLING CONDITION CHART
| Solenoid status (SLT) from IC | Fail (Open or short) (Output signal duty equal to 100%) |
TYPICAL MALFUNCTION THRESHOLDS CHART
| Shift solenoid valve SLT | Resistance: 5.0 to 5.6 ohm at 20°C (68°F) |
COMPONENT OPERATING RANGE CHART
Scheme 234
Scheme 235
Scheme 236
Scheme 237
Scheme 238
Scheme 239
- INSPECT TRANSMISSION WIRE (SLT) Disconnect the transmission wire connector from the transaxle. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (1 OF 3) Tester Connection Specified Condition 20°C (68°F) 3 (SLT+)-8 (SLT-) 5.0 to 5.6 ohm Measure the resistance according to the value (s) in the table below. Standard (Check for short): NG: Go to step 3 OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM) Connect the transmission wire connector to the transaxle. Disconnect the ECM connector. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (2 OF 3) Tester Connection Specified Condition 20°C (68°F) E3 - 17 (SLT+) - E3 - 16 (SLT-) 5.0 to 5.6 ohm Measure the resistance according to the value (s) in the table below. Standard (Check for short): NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-225870-S07964031912006032300000) ) OK: REPLACE «ECM (1ZZ-FE/2ZZ-GE)»(ref-225896-S34427753102006032300000) )
- INSPECT SHIFT SOLENOID VALVE (SLT) Remove the shift solenoid valve (SLT). Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (3 OF 3) Tester Connection Specified Condition 20°C (68°F) 1-2 5.0 to 5.6 ohm Connect the positive (+) lead with a 21 W bulb to terminal 2 and the negative (-) lead to terminal 1 of the solenoid valve connector, then check the movement of the valve. Standard: The solenoid makes an operating noise. NG: REPLACE SHIFT SOLENOID VALVE (SLT) OK: REPAIR OR REPLACE «TRANSMISSION WIRE (U341F)»(ref-225917-S34448333022006032300000) )
| Related DTCs | P2769: Shift solenoid valve SL/Range check (Low resistance) P2770: Shift solenoid valve SL/Range check (High resistance) |
|---|---|
| Required sensors/Components | Shift solenoid valve SL |
| Frequency of operation | Continuous |
| Duration | 1 time |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |
MONITOR STRATEGY CHART
P2769: Range check (Low resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Time after solenoid OFF to ON | More than 0.008 sec. |
| Solenoid | ON |
TYPICAL ENABLING CONDITION CHART P2769: RANGE CHECK (LOW RESISTANCE)
P2770: Range check (High resistance)
| The monitor will run whenever the following DTCs are not present. | See LIST OF DISABLE A MONITOR |
|---|---|
| Time after solenoid ON to OFF | More than 0.008 sec. |
| Solenoid | OFF |
TYPICAL ENABLING CONDITION CHART P2770: RANGE CHECK (HIGH RESISTANCE)
P2769: Range check (Low resistance)
| Intelligent power MOS diagnosis fail signals detected while the solenoid is operated | Fail at solenoid resistance: 8 ohm or less |
TYPICAL MALFUNCTION THRESHOLDS CHART P2769: RANGE CHECK (LOW RESISTANCE)
P2770: Range check (High resistance)
| Intelligent power MOS diagnosis fail signals detected while the solenoid is not operated | Fail at solenoid resistance: 100 kohm or more |
TYPICAL MALFUNCTION THRESHOLDS CHART P2770: RANGE CHECK (HIGH RESISTANCE)
| Shift solenoid valve SL | Resistance: 11 to 15 ohm at 20°C (68°F) |
COMPONENT OPERATING RANGE CHART
Scheme 240
Scheme 241
Scheme 242
Scheme 243
- INSPECT TRANSMISSION WIRE (SL) Disconnect the transmission wire connector from the transaxle. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (1 OF 3) Tester Connection Specified Condition 20°C (68°F) 4 - Body ground 11 to 15 ohm NG: Go to step 3 OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM) Connect the transmission wire connector. Disconnect the ECM connector. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (2 OF 3) Tester Connection Specified Condition 20°C (68°F) E4 -19 (SL) - Body ground 11 to 15ohm NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See «ELECTRONIC CIRCUIT INSPECTION PROCEDURE»(ref-225870-S07964031912006032300000) ) OK: REPLACE «ECM (1ZZ-FE/2ZZ-GE)»(ref-225896-S34427753102006032300000) )
- INSPECT SHIFT SOLENOID VALVE (SL) Remove the shift solenoid valve SL. Measure the resistance according to the value (s) in the table below. Standard: TESTER CONNECTION SPECIFIED CONDITION CHART (3 OF 3) Tester Connection Specified Condition 20°C (68°F) Solenoid Connector (SL) - Solenoid Body (SL) 11 to 150 Connect positive (+) lead to the terminal of solenoid connector, negative (-) lead to the solenoid body. Standard: The solenoid valve makes an operating noise. NG: REPLACE SHIFT SOLENOID VALVE (SL) OK: REPAIR OR REPLACE «TRANSMISSION WIRE (U341F)»(ref-225917-S34448333022006032300000) )