Hybrid Control (Diagnostics - Introduction): Diagnosis Lexus HS I

HOW TO PROCEED WITH TROUBLESHOOTING

HINT

1. *: Use the Techstream.
2. Use the following procedure to troubleshoot the hybrid control system.

1. VEHICLE BROUGHT TO WORKSHOP NEXT: Go to next step
2. CUSTOMER PROBLEM ANALYSIS NEXT: Go to next step
3. CONNECT TECHSTREAM TO THE DLC3* HINT: If the display on the tester indicates a communication fault, inspect the DLC3. NEXT: Go to next step
4. CHECK DTC AND SAVE FREEZE FRAME DATA*. Refer to «DTC CHECK / CLEAR»(ref-398094-S29961611252011051600000) . Refer to «INFORMATION / FREEZE FRAME DATA»(ref-398238-S10844569612011051600000) HINT: Make sure to save freeze frame data because the data is necessary for a simulation test. For the hybrid vehicle control system, there are many DTCs, many of which can be stored due to a single malfunction. As a result, in some of the diagnosis procedures an instruction is provided to check for other DTCs and their corresponding INF codes. By following the diagnosis path based on the combination of output DTCs and INF codes, it is possible to narrow down the problem early and avoid unnecessary diagnosis. NEXT: Go to next step
5. CLEAR DTC AND FREEZE FRAME DATA*. Refer to «DTC CHECK / CLEAR»(ref-398094-S29961611252011051600000) NEXT: Go to next step
6. CONDUCT VISUAL INSPECTION NEXT: Go to next step
7. CONFIRM PROBLEM SYMPTOMS HINT: If the engine does not start, perform steps 9 and 11 first. Result Result Proceed to Malfunction does not occur A Malfunction occurs B B --> GO TO STEP 10 . A: Go to next step
8. DUPLICATE CONDITIONS THAT PRODUCE SYMPTOMS NEXT: Go to next step
9. CHECK FOR DTCS*. Refer to «DTC CHECK / CLEAR»(ref-398094-S29961611252011051600000) Result Result Proceed to DTC is output A DTC is not output B B --> GO TO STEP 11 . A: Go to next step
10. REFER TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398094-S11405263312011051600000) NEXT --> GO TO STEP 13 .
11. CONDUCT BASIC INSPECTION Result Result Proceed to Malfunctioning parts not confirmed A Malfunctioning parts confirmed B B --> GO TO STEP 15 . A: Go to next step
12. CHECK ECU POWER SOURCE CIRCUIT NEXT: Go to next step
13. CONDUCT CIRCUIT INSPECTION Result Result Proceed to Malfunction not confirmed A Malfunction confirmed B B --> GO TO STEP 16 . A: Go to next step
14. CHECK FOR INTERMITTENT PROBLEMS. Refer to «CHECK FOR INTERMITTENT PROBLEMS»(ref-398094-S05300073002011051600000) NEXT --> GO TO STEP 16 .
15. CONDUCT PARTS INSPECTION NEXT: Go to next step
16. IDENTIFY PROBLEM NEXT: Go to next step
17. ADJUST AND/OR REPAIR NEXT: Go to next step
18. CONDUCT CONFIRMATION TEST NEXT --> COMPLETED

PROBLEM SYMPTOMS TABLE

HYBRID VEHICLE CONTROL SYSTEM

Scheme 133

Note. Do not measure voltage or waveform directly at the sealed side of the hybrid vehicle control ECU connectors. Doing so may damage the connectors because these connectors are waterproof.

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1. Oscilloscope waveforms HINT: Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted. Waveform 1 (A/C communication signal) Item Contents Terminal CH1: CLK - E1 CH2: ITE - E1 CH3: ETI - E1 CH4: STB - E1 Equipment Setting 10 V/DIV., 100 ms./DIV. Condition Power switch on (READY) with air conditioning system stopped HINT: The waveform will vary depending on the content of the digital communication (digital signal). Waveform 2 (Camshaft and crankshaft position sensor) Item Contents Terminal CH1: G2+ - G2- CH2: NE+ - NE- Equipment Setting 2 V/DIV., 20 ms./DIV. Condition Idling after warming up engine HINT: Pulse amplitude becomes higher as the engine speed increases. Pulse cycle becomes shorter as the engine speed increases. Waveform 3 (READY signal) Item Contents Terminal RDY - E1 Equipment Setting 10 V/DIV., 10 ms./DIV. Condition Power switch on (IG) / Power switch on (READY) Waveform 4 (GO signal) Item Contents Terminal GO - E1 Equipment Setting 5 V/DIV., 20 ms./DIV. Condition Power switch on (READY) with engine running HINT: The pulse cycle becomes shorter as the engine speed increases. Waveform 5 (CAN communication signal) Item Contents Terminal CH1: CAN+ - E1 CH2: CAN- - E1 Equipment Setting 1 V/DIV., 50 μs./DIV. Condition Power switch on (IG) HINT: The waveform will vary depending on the content of the digital communication (digital signal). Waveform 6 (CAN communication signal) Item Contents Terminal CH1: CANH - E1 CH2: CANL - E1 Equipment Setting 1 V/DIV., 50 μs./DIV. Condition Power switch on (IG) HINT: The waveform will vary depending on the content of the digital communication (digital signal). Waveform 7 (Vehicle speed signal) Item Contents Terminal SPDI - E1 Equipment Setting 5 V/DIV., 20 ms./DIV. Condition Driving at approximately 12 mph (20 km/h) with power switch on (READY) HINT: The higher the vehicle speed, the shorter the cycle. Waveform 8 (Oil pump motor signal) Item Contents Terminal CH1: OPM1 - E01 CH2: OPST - E1 Equipment Setting 10 V/DIV., 20 ms./DIV. Condition Maintenance mode, power switch on (READY) Waveform 9 (HV battery blower fan operation signal) Item Contents Terminal CH1: S10 - E1 CH2: FCTL - E1 Equipment Setting 10 V/DIV., 100 ms./DIV. Condition Power switch on (READY), with air conditioning system stopped Waveform 10 (Immobilizer communication signal) Item Contents Terminal CH1: IMO - E1 CH2: IMI - E1 Equipment Setting 5 V/DIV., 200 ms./DIV. Condition Power switch off --> Power switch on (IG) --> Power switch on (READY) Waveform 11 (HV water pump signal) Item Contents Terminal IWP - E1 Equipment Setting 5 V/DIV., 100 ms./DIV. Condition Power switch on (READY) Waveform 12 (System main relay operation signal) Item Contents Terminal CH1: SMRP - E1 CH2: SMRB - E1 CH3: SMRG - E1 Equipment Setting 10 V/DIV., 500 ms./DIV. Condition Power switch on (IG) --> Power switch on (READY) Waveform 13 (VLO signal) Item Contents Terminal VLO - E1 Equipment Setting 5 V/DIV., 50 ms./DIV. Condition Power switch on (IG) HINT: The cycle will vary depending on the specified voltage of the hybrid vehicle converter (DC/DC converter). Waveform 14 (P position control signal, P position signal) Item Contents Terminal CH1: PCON - E1 CH2: PPOS - E1 Equipment Setting 5 V/DIV., 20 ms./DIV. Condition Power switch on (IG) Waveform 15 (Airbag collision detection signal) Item Contents Terminal ABFS - E1 Equipment Setting 5 V/DIV., 500 ms./DIV. Condition Power switch on (READY) Waveform 16 (Communication signal from MG ECU to hybrid vehicle control ECU) Item Contents Terminal CH1: MTH+ - E1 CH2: MTH- - E1 Equipment Setting 1 V/DIV., 200 μs./DIV. Condition Power switch on (IG) HINT: The waveform will vary depending on the content of the digital communication. Waveform 17 (Communication signal from hybrid vehicle control ECU to MG ECU) Item Contents Terminal CH1: HTM+ - E1 CH2: HTM- - E1 Equipment Setting 1 V/DIV., 200 μs./DIV. Condition Power switch on (IG) HINT: The waveform will vary depending on the content of the digital communication (digital signal). Waveform 18 (Communication signal from battery smart unit to hybrid vehicle control ECU) Item Contents Terminal CH1: BTH+ - E1 CH2: BTH- - E1 Equipment Setting 2 V/DIV., 500 μs./DIV. Condition Power switch on (IG) HINT: The waveform will vary depending on the content of the digital communication (digital signal). Waveform 19 (MG communication clock signal) Item Contents Terminal CH1: CLK+ - E1 CH2: CLK- - E1 Equipment Setting 1 V/DIV., 1 μs./DIV. Condition Power switch on (IG) Waveform 20 (MG communication request signal) Item Contents Terminal CH1: REQ+ - E1 CH2: REQ- - E1 Equipment Setting 1 V/DIV., 1 ms./DIV. Condition Power switch on (IG) Symbols (Terminals No.) Wiring Color Terminal Description Condition Standard Voltage (V) HSDN (A59-12) - GND1 (A59-11) L - W-B MG shutdown signal Power switch on (READY) 0 to 1 GI (A59-13) - GND1 (A59-11) B - W-B GI signal Power switch on (READY), engine started Pulse generation (Waveform 1 (Scheme 153) ) MTH- (A59-15) - GND1 (A59-11) W - W-B Communication signal from MG to HV Power switch on (IG) Pulse generation (Waveform 2 (Scheme 154) ) REQ- (A59-16) - GND1 (A59-11) W - W-B Communication request signal Power switch on (IG) Pulse generation (Waveform 3 see scheme 43 ) HTM- (A59-17) - GND1 (A59-11) W - W-B Communication signal from HV to MG Power switch on (IG) Pulse generation (Waveform 4 see scheme 44 ) CLK- (A59-19) - GND1 (A59-11) W - W-B Communication clock signal Power switch on (IG) Pulse generation (Waveform 5 see scheme 45 ) MTH+ (A59-24) - GND1 (A59-11) B - W-B Communication signal from MG to HV Power switch on (IG) Pulse generation (Waveform 2 (Scheme 154) ) REQ+ (A59-25) - GND1 (A59-11) B - W-B Communication request signal Power switch on (IG) Pulse generation (Waveform 3 see scheme 43 ) HTM+ (A59-26) - GND1 (A59-11) B - W-B Communication signal from HV to MG Power switch on (IG) Pulse generation (Waveform 4 see scheme 44 ) CLK+ (A59-28) - GND1 (A59-11) B - W-B Communication clock signal Power switch on (IG) Pulse generation (Waveform 5 see scheme 45 ) +B2 (A59-30) - GND1 (A59-11) B - W-B MG ECU power source Power switch on (IG) 11 to 14 +B (A59-31) - GND1 (A59-11) B - W-B MG ECU power source Power switch on (IG) 11 to 14 ILKO (A59-32) - GND1 (A59-11) B - W-B Interlock switch signal Power switch on (IG), A/C fuse cover and service plug grip installed correctly Below 1 ILKO (A59-32) - GND1 (A59-11) B - W-B Interlock switch signal Power switch on (IG), A/C fuse cover and service plug grip detached 11 to 14 ILKI (A59-33) - GND1 (A59-11) LG - W-B Interlock switch signal Power switch on (IG), A/C fuse cover and service plug grip installed correctly Below 1 ILKI (A59-33) - GND1 (A59-11) LG - W-B Interlock switch signal Power switch on (IG), A/C fuse cover and service plug grip detached 11 to 14 GSN (C22-1) - GSNG (C22-2) L - R Generator resolver signal Generator resolver stopped or running Pulse generation (Waveform 6 (Scheme 155) ) GCS (C22-3) - GCSG (C22-4) W - Y Generator resolver signal Generator resolver stopped or running Pulse generation (Waveform 6 (Scheme 155) ) GRF (C22-6) - GRFG (C22-5) B - G Generator resolver signal Generator resolver stopped or running Pulse generation (Waveform 6 (Scheme 155) ) MCS (C22-8) - MCSG (C22-9) W - Y Motor resolver signal Motor resolver stopped or running Pulse generation (Waveform 7 see scheme 47 ) MSN (C22-11) - MSNG (C22-7) L - R Motor resolver signal Motor resolver stopped or running Pulse generation (Waveform 7 see scheme 47 ) MRF (C22-13) - MRFG (C22-12) B - G Motor resolver signal Motor resolver stopped or running Pulse generation (Waveform 7 see scheme 47 ) NOTE: Do not measure voltage or waveform directly at the sealed side of the inverter with converter assembly connectors. Doing so may damage the connectors because these connectors are waterproof.
2. Oscilloscope waveforms HINT: Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted. Waveform 1 (GI signal) Item Contents Terminal CH1: GI - GND1 Equipment Setting 5 V/DIV., 20 ms./DIV. Condition Power switch on (READY) with engine running HINT: The pulse cycle becomes shorter as the engine speed increases. Waveform 2 (Communication signal from MG ECU to hybrid vehicle control ECU) Item Contents Terminal CH1: MTH+ - GND1 CH2: MTH- - GND1 Equipment Setting 1 V/DIV., 200 μs./DIV. Condition Power switch on (READY) HINT: The waveform will vary depending on the content of the digital communication (digital signal). Waveform 3 (MG ECU communication request signal) Item Contents Terminal CH1: REQ+ - GND1 CH2: REQ- - GND1 Equipment Setting 1 V/DIV., 1 ms./DIV. Condition Power switch on (READY) Waveform 4 (Communication signal from hybrid vehicle control ECU to MG ECU) Item Contents Terminal CH1: HTM+ - GND1 CH2: HTM- - GND1 Equipment Setting 1 V/DIV., 200 μs./DIV. Condition Power switch on (READY) HINT: The waveform will vary depending on the content of the digital communication (digital signal). Waveform 5 (MG communication clock signal) Item Contents Terminal CH1: CLK+ - GND1 CH2: CLK- - GND1 Equipment Setting 1 V/DIV., 1 μs./DIV. Condition Power switch on (READY) Waveform 6 (Generator resolver signal) Item Contents Terminal CH1: GRF - GRFG CH2: GSN - GSNG CH2: GCS - GCSG Equipment Setting CH1: 10 V/DIV., 1 ms./DIV. CH2, CH3: 5 V/DIV., 1 ms./DIV. Condition Resolver running HINT: Pulse cycle A becomes shorter as the rotor speed increases. Waveform 7 (Motor resolver signal) Item Contents Terminal CH1: MRF - MRFG CH2: MSN - MSNG CH2: MCS - MCSG Equipment Setting CH1: 10 V/DIV., 1 ms./DIV. CH2, CH3: 5 V/DIV., 1 ms./DIV. Condition Resolver running HINT: Pulse cycle A becomes shorter as the rotor speed increases.

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1. DESCRIPTION The hybrid vehicle control ECU has a self-diagnosis system. If the computer, hybrid vehicle control ECU, or a component is not working properly, the ECU records the conditions that relate to the fault. The ECU also illuminates the master warning light in the combination meter and provides other appropriate messages on the multi-information display, such as the HV system warning message, the HV battery warning message, or the discharge warning message. HINT: The master warning light will illuminate when the hybrid control system malfunctions and the light will blink when in inspection mode. When troubleshooting OBD II (On-Board Diagnostics) vehicles, the Techstream (complying with SAE J1987) must be connected to the DLC3 (Data Link Connector 3) of the vehicle. Various data in the hybrid vehicle control ECU can then be read. OBD II regulations require that the vehicle's on-board computer illuminate the MIL (Malfunction Indicator Lamp) on the instrument panel when the computer detects a malfunction in: The emission control system components. The powertrain control components (which affect vehicle emissions). The computer itself. In addition, the applicable DTCs prescribed by SAE J2012 are recorded in the hybrid vehicle control ECU memory. If the malfunction does not recur in 3 consecutive trips, the MIL turns off automatically but the DTCs remain recorded in the hybrid vehicle control ECU memory. To check for DTCs, connect the Techstream to the DLC3. The Techstream displays DTCs, freeze frame data, and a variety of hybrid control system data. The DTCs and freeze frame data can be cleared with the Techstream. In order to enhance the OBD function on vehicles and develop the Off-Board diagnosis system, Controller Area Network (CAN) communication is used in this system. CAN is a network which uses a pair of data transmission lines spanning multiple computers and sensors. It allows for high speed communications between the systems and simplification of the wire harness connections.
2. 2 TRIP DETECTION LOGIC When a malfunction is first detected, the malfunction is temporarily stored in the hybrid vehicle control ECU memory (1st trip). If the same malfunction is detected during the next drive cycle, the MIL is illuminated (2nd trip).
3. FREEZE FRAME DATA The hybrid vehicle control ECU records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, as well as other data recorded at the time of a malfunction.
4. AUXILIARY BATTERY VOLTAGE Standard Voltage Switch Condition Specified Condition Power switch on (IG) 11 to 14 V If voltage is below 11 V, replace or recharge the battery.
5. MIL (Malfunction Indicator Lamp) The MIL is illuminated when the power switch is first turned on (IG), before the READY indicator comes on. When the READY indicator turns on, the MIL should turn off. If the MIL remains illuminated, the diagnosis system has detected a malfunction or abnormality in the system. HINT: If the MIL is not illuminated when the power switch is first turned on (IG), check the MIL circuit. Refer to «MIL Circuit»(ref-398226-S22188282202011051600000) .

DTC CHECK / CLEAR

1. CHECK FOR DTCS Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Check the DTCs and freeze frame data, and then write them down. Check the details of the DTCs. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-398094-S11405263312011051600000) .
2. CHECK FREEZE FRAME DATA AND INFORMATION If a DTC is present, select it in order to display its freeze frame data. Read the freeze frame data recorded when the DTC was set. NOTE: A 3-digit information code (INF code) will be displayed as the value for one of the Information 1 to Information 5 lines. Read the information for the information code. Select the item from among Information 1 to Information 5 that has an information code and click the engine icon to view the additional information.
3. CHECK FOR DTCS (SYSTEMS OTHER THAN HYBRID VEHICLE CONTROL ECU) HINT: The hybrid vehicle control ECU maintains communication with other computers, including the skid control ECU and power steering ECU. Therefore, if the hybrid vehicle control ECU outputs a warning, it is necessary to check and record the DTCs of all systems. If DTCs are present, check the relevant systems. HINT: If DTCs for the CAN communication system are present in addition to other DTCs, first troubleshoot and repair any malfunctions in the CAN communication system.
4. CLEAR DTCS NOTE: Clearing the DTCs will also clear the freeze frame data, information. Refer to «INFORMATION / FREEZE FRAME DATA»(ref-398238-S10844569612011051600000) , and operation history data. Refer to «OPERATION HISTORY DATA»(ref-398238-S25352349252011051600000) . Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Check that park (P) is selected. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. Clear DTCs and freeze frame data.

DATA LIST / ACTIVE TEST

1. DATA LIST NOTE: Some data list values may vary significantly if there are slight differences in the environment in which the vehicle is operating when measurements are obtained. Variations may also occur due to aging of the vehicle. Due to these considerations, it is not always possible to provide definite values to be used for judgment of malfunctions. It is possible that a malfunction may be present even if measured values are within the reference range. In the event of a problem with intricate symptoms, collect sample data from another vehicle of the same model operating under identical conditions in order to reach an overall judgment by comparing all the items in the data list. Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Data List. Check the results by referring to the following table. HINT: When reviewing Data List information, try to select only the specific Data List items related to the inspection being performed. If all items are selected when checking the Data List, the interval between updates for each item will be longer, resulting in delayed or incorrect data. Using a custom list makes it possible to easily select smaller groups of related Data List items. The following custom lists are available: Electric Leakage Boost/Lower Converter High Voltage Charge HV Transmission Thermo Sensor Auxiliary Battery Drive Performance Elec Shift Lever System Tester Display Measurement Item/Range Normal Condition Diagnostic Note Engine Coolant Temp Engine coolant temperature / Min.: -40°F (-40°C), Max.: 284°F (140°C) After warming up: 176 to 212°F (80 to 100°C) - Engine Revolution Min.: 0 rpm, Max.: 16383.75 rpm Idling (Inspection mode, park (P) selected, A/C off): 950 to 1,050 rpm - Vehicle Spd Vehicle speed / Min.: 0 mph (0 km/h), Max.: 158.5 mph (255 km/h) Vehicle stopped: 0 mph (0 km/h) - Engine Run Time Elapsed time after starting engine / Min.: 0 s, Max.: 65535 s - - +B Auxiliary battery voltage / Min.: 0 V, Max.: 65.535 V Constant: Auxiliary battery voltage +/-3 V - Accel Pedal Pos #1 Accelerator pedal position sensor No. 1 / Min.: 0%, Max.: 100% Accelerator pedal depressed: Changes with accelerator pedal pressure - Accel Pedal Pos #2 Accelerator pedal position sensor No. 2 / Min.: 0%, Max.: 100% Accelerator pedal depressed: Changes with accelerator pedal pressure - Ambient Temperature Ambient air temperature / Min.: -40°F (-40°C), Max.: 419°F (215°C) Power switch on (IG): Same as ambient air temperature - Intake Air Temperature Intake air temperature / Min.: -40°F (-40°C), Max.: 284°F (140°C) Constant: Same as ambient air temperature - DTC Clear Warm Up The number of times engine is warmed up after clearing DTCs / Min.: 0, Max.: 255 MIL off, engine coolant temperature increases from below 71.6°F (22°C) before starting the engine to above 158°F (70°C) after starting the engine: Increases once - DTC Clear Run Distance Drive distance after clearing DTCs / Min.: 0 mile (0 km), Max.: 40723 mile (65535 km) - - DTC Clear Min Elapsed time after clearing DTCs / Min.: 0 min, Max.: 65535 min - - MIL on Run Distance Travel distance after a malfunction occurs / Min.: 0 mile (0 km), Max.: 40723 mile (65535 km) - - MIL on Engine Run Time Driving time after a malfunction occurs / Min.: 0 min, Max.: 65535 min - - MIL Status MIL status / ON or OFF MIL on: ON Constantly on: Repair in accordance with detected DTCs Model Code Model code - Identifies model code: ANF1## Engine Code Engine code - Identifies engine code: 2AZFXE ECU Code ECU code - Identifies ECU code: Destination Destination - Identifies destination: A Motor(MG2) Revolution Motor revolution / Min.: -16383 rpm, Max.: 16383 rpm - - Motor(MG2) Torq Motor torque / Min.: -500 Nm, Max.: 500 Nm - - M(MG2) Trq Exec Val MG2 torque execution value / Min.: -512 Nm, Max.: 508 Nm After full-load acceleration with READY indicator on and engine stopped: Within +/- 20% of MG2 TORQ - Generator(MG1) Rev Generator revolution / Min.: -16383 rpm, Max.: 16383 rpm - - Generator(MG1) Torq Generator torque / Min.: -500 Nm, Max.: 500 Nm - - G(MG1) Trq Exec Val MG1 torque execution value / Min.: -512 Nm, Max.: 508 Nm After full-load acceleration with READY indicator on and engine stopped: Within +/- 20% of MG1 TORQ - Regenerative Brake Torq Regenerative brake torque / Min.: 0 Nm, Max.: 1020 Nm Vehicle speed 19 mph (30 km/h) and master cylinder hydraulic pressure -200 Nm: Changes with brake pedal pressure - Rqst Regen Brake Torq Regenerative brake request torque / Min.: 0 Nm, Max.: 1020 Nm Vehicle speed 19 mph (30 km/h) and master cylinder hydraulic pressure -200 Nm: Changes with brake pedal pressure - Inverter Temp (MG1) Generator inverter temperature / Min.: 59°F (15°C), Max.: 302°F (150°C) Undisturbed for 1 day at 77°F (25°C): 59 to 95°F (15 to 35°C) Street driving at 77°F (25°C): 77 to 253°F (25 to 123°C) If the value is -58°F (-50°C): +B short in sensor circuit If the value is 401°F (205°C): Open or GND short in sensor circuit Inverter Temp (MG2) Motor inverter temperature / Min.: 59°F (15°C), Max.: 302°F (150°C) Undisturbed for 1 day at 77°F (25°C): 59 to 95°F (15 to 35°C) Street driving at 77°F (25°C): 77 to 253°F (25 to 123°C) If the value is -58°F (-50°C): +B short in sensor circuit If the value is 401°F (205°C): Open or GND short in sensor circuit Motor Temp No2 Generator temperature / Min.: -58°F (-50°C), Max.: 401°F (205°C) Undisturbed for 1 day at 77°F (25°C): 77°F (25°C) Street driving at 77°F (25°C): 77 to 212°F (25 to 100°C) If the value is -58°F (-50°C): +B short in sensor circuit If the value is 401°F (205°C): Open or GND short in sensor circuit Motor Temp No1 Motor temperature / Min.: -58°F (-50°C), Max.: 401°F (205°C) Undisturbed for 1 day at 77°F (25°C): 77°F (25°C) Street driving at 77°F (25°C): 77 to 194°F (25 to 90°C) If the value is -58°F (-50°C): +B short in sensor circuit If the value is 401°F (205°C): Open or GND short in sensor circuit Converter Temperature Boost converter temperature / Min.: 59°F (15°C), Max.: 302°F (150°C) Undisturbed for 1 day at 77°F (25°C): 59 to 95°F (15 to 35°C) Street driving: 77 to 230°F (25 to 110°C) If the value is -58°F (-50°C): +B short in sensor circuit If the value is 401°F (205°C): Open or GND short in sensor circuit Accelerator Degree Accelerator pedal depression angle / Min.: 0%, Max.: 100% Accelerator pedal depressed: Changes with accelerator pedal pressure - Request Power Request engine power / Min.: 0 W, Max.: 320000 W - - Target Engine Rev Target engine speed / Min.: 0 rpm, Max.: 6375 rpm - - Engine Spd Engine speed / Min.: 0 rpm, Max.: 8000 rpm Idling (Inspection mode, park (P) selected, A/C off): 950 to 1,050 rpm - Vehicle Speed (Resolver) Resolver / Min.: -159.1 mph (-256 km/h), Max.: 157.8 mph (254 km/h) Same as vehicle speed - Master Cylinder Ctrl Trq Braking torque that is equivalent to master cylinder hydraulic pressure / Min.: -2040 Nm, Max.: 0 Nm Brake pedal depressed: Changes with brake pedal pressure - State of Charge (All Bat) All battery state of charge / Min.: 0%, Max.: 100% Constant: State of Charge - WOUT Control Power Discharge control power value / Min.: 0 W, Max.: 81600 W 26000 W or less - WIN Control Power Charge control power value / Min.: -40800 W, Max.: 0 W -25000 W or more - Power Resource VB HV battery voltage / Min.: 0 V, Max.: 510 V READY indicator on: 200 to 340 V - Power Resource IB HV battery current / Min.: -256 A, Max.: 254 A READY indicator on: -200 to 200 A - VL-Voltage before Boosting High voltage before boosting / Min.: 0 V, Max.: 510 V READY ON: Practically the same as the HV battery voltage If the value is 0 V: Open or GND short in sensor circuit If the value is 510 V: +B short in sensor circuit VH-Voltage after Boosting High voltage after boosting / Min.: 0 V, Max.: 765 V Engine revving up with park (P) selected: HV battery voltage to 650 V If the value is 0 V: Open or GND short in sensor circuit If the value is 765 V: +B short in sensor circuit Boost Ratio Boost ratio / Min.: 0%, Max.: 100% The boost converter and the inverter voltages are equal: 0 to 10% - Drive Condition ID Drive condition ID / Min.: 0, Max.: 6 Engine stopped: 0 Engine about to be stopped: 1 Engine about to be started: 2 Engine operated or operating: 3 Generating or loading movement: 4 Revving with park (P) selected: 5 - Shift Sensor Main Shift sensor (Main) voltage/ Min.: 0 V, Max.: 5 V Shift lever in home position or N: 2.0 to 3.0 V Shift lever in R: 0.2 to 1.0 V Shift lever in D or B: 4.0 to 4.8 V - Shift Sensor Sub Shift sensor (Sub) voltage/ Min.: 0 V, Max.: 5 V Shift lever in home position or N: 2.0 to 3.0 V Shift lever in R: 0.2 to 1.0 V Shift lever in D or B: 4.0 to 4.8 V - Shift Sensor Select Main Select sensor (Main) voltage/ Min.: 0 V, Max.: 5 V Shift lever in home position or B: 10. to 1.6 V Shift lever in R, N or D: 2.9 to 4.3 V - Shift Sensor Select Sub Select sensor (Sub) voltage/ Min.: 0 V, Max.: 5 V Shift lever in home position or B: 10. to 1.6 V Shift lever in R, N or D: 2.9 to 4.3 V - Shift Sensor Shift Pos Shift position/ P/R/N/D/B Changes with shift position indicator - Crank Position Crankshaft position / Min.: -90 deg, Max.: 90 deg - - A/C Consumption Pwr A/C consumption power / Min.: 0 kW, Max.: 5 kW - - Short Wave Highest Val Waveform voltage in leak detection circuit in battery smart unit / Min.: 0 V, Max.: 5 V Left for 2 minutes in READY-on state, and boost converter and inverter voltages are equal: 4 V or more - MG1 Control Mode MG1 control mode - - MG1 Carrier Frequency MG1 carrier frequency / 10 kHz / 5 kHz / 2.5 kHz / 1.25 kHz - - MG2 Control Mode MG2 control mode - - MG2 Carrier Frequency MG2 carrier frequency / 10 kHz / 5 kHz / 2.5 kHz / 1.25 kHz - - Type of ECU ECU TYPE - Identifying ECU type: HV ECU Num of Current Code The number of current DTCs/ Min.: 0, Max.: 255 - - Num of History Code The number of history DTCs/ Min.: 0, Max.: 255 - - Check Mode Check mode: ON or OFF ON: Check mode ON - Calculate Load Calculated load / Min.: 0%, Max.: 100% Idling (maintenance mode): 11 to 22% Driving (2500 rpm): 12.1 to 18.2% - Throttle Position Throttle position sensor / Min.: 0%, Max.: 100% Accelerator pedal released: 10 to 24% - L-Tmp Start Judging Low temperature start judging / Min.: 0, Max.: 65535 - - L-Tmp Start Accumulate Low temperature start accumulate / Min.: 0, Max.: 67107840 - - Target Battery Voltage (DCDC Converter) Target auxiliary battery voltage / Min.: 0 V, Max.: 20 V - - DCDC Converter cooling fan mode Hybrid vehicle converter (DC/DC converter) cooling fan mode / Min.: 0, Max.: 255 - - Inverter Coolant Water Temperature Inverter coolant temperature / Min.: -58°F (-50°C), Max.: 230°F (110°C) Cold start --> Fully warmed up: Gradually rises - Prohibit DC/DC conv sig Status of the Prohibit DC/DC converter signal /OFF or ON Ready OFF: ON Ready ON: OFF - EV request Status of the EV mode request / OFF or ON Pushing EV switch ON: ON - DC/DC Converter temp DC/DC Converter temperature / Min.: -40°F (-40°C), Max.: 419°F (215°C) Undisturbed for 1 day at 77°F (25°C): 77°F (25°C) Street driving at 77°F (25°C): 77 to 293°F (25 to 145°C) - Starter Switch Status of the Power Switch / OFF or ON Pushing power switch ON: ON - Engine Stop Request Engine stop request / NO or RQST Requesting engine stop: RQST - Engine Idling Request Engine idling request / NO or RQST Requesting idle: RQST - Main Batt Charging Rqst HV battery charging request / NO or RQST Requesting HV battery charging: RQST - HCAC OBD Request HCAC OBD Request / NO or RQST Requesting HCAC OBD: RQST - Aircon Request Engine starting request from A/C amplifier / NO or RQST Requesting engine start from A/C amplifier: RQST - Engine Warming Up Rqst Engine warm-up request / NO or RQST Requesting engine warm-up: RQST - System Precharge Relay Status-(SMRP) Operating condition of system precharge relay SMRP / ON or OFF READY ON: OFF - System Main Relay Status-SMRB Operating condition of system main relay SMRB / ON or OFF READY ON: ON - System Main Relay Status-SMRG Operating condition of system main relay SMRG / ON or OFF READY ON: ON - MG1 Gate Status MG1 gate status / ON or OFF Shutting down generator inverter: ON - MG2 Gate Status MG2 gate status / ON or OFF Shutting down motor inverter: ON - Converter Gate Status Boost converter gate status / ON or OFF Shutting down boost converter: ON - Aircon Gate Status A/C gate status / ON or OFF While A/C inverter is being shut off: ON - Converter Carrier Freq Converter signal carrier frequency / 5kHz/10kHz 5kHz/10kHz - Complete Parts Monitor Converter monitor / NOT AVL or AVAIL - - Component Monitor ENA Converter monitor enable / UNABLE or ENABLE - - Component Monitor CMPL Component monitor complete / COMPL or INCMPL - - Battery State of Charge Battery state of charge / Min.: 0%, Max.: 127.5% Constant: 0 to 100% - Delta SOC Difference between maximum and minimum values of SOC / Min.: 0%, Max.: 100% READY indicator on, engine stopped and no electrical load: 0 to 60% - Batt Pack Current Val Current value of battery pack/ Min.: - 327.68 A, Max.: 327.67 A - - Inhaling Air Temp Battery cooling fan intake air temperature / Min.: -557.82°F (-327.68°C), Max.: 621.8°F (327.67°C) Undisturbed for 1 day: Same as ambient air temperature - VMF Fan Motor Voltage1 Battery blower motor monitoring voltage / Min.: -25.6 V, Max.: 25.4 V Fan mode 1 with READY indicator on and park (P) selected: 0.8 to 1.2 V - Auxiliary Battery Vol Auxiliary battery voltage / Min.: -25.6 V, Max.: 25.4 V Equivalent to auxiliary battery voltage - Charge Control Value Charge control wattage / Min.: -64 kW, Max.: 63.5 kW -25 kW or more - Discharge Control Value Discharge control wattage / Min.: -64 kW, Max.: 63.5 kW 26 kW or less - Cooling Fan Mode1 Battery blower motor actuation mode / Min.: 0, Max.: 255 Stopped: 0 Low to high speed actuation: 1 to 40 - ECU Control Mode ECU control mode / Min.: 0, Max.: 4 - - Standby Blower Request Battery blower motor stop control request (standby blower) / ON or OFF While blower motor stop control is requested: ON - Temp of Batt TB1 to 4 Temperature of HV battery / Min.: -557.82°F (-327.68°C), Max.: 621.8°F (327.67°C) Undisturbed for 1 day: Same as ambient air temperature - Battery Block Num The number of battery blocks / Min.: 0, Max.: 255 Always: 17 - Batt Block Minimum Vol Battery block minimum voltage / Min.: -327.68 V, Max.: 327.67 V SOC 50 to 60%: 12 V or more - Minimum Batt Block No Battery block number with minimum voltage / Min.: 1, Max.: 255 One of numbers 1 to 17 - Batt Block Max Vol Battery block maximum voltage / Min.: -327.68 V, Max.: 327.67 V SOC 55 to 60%: 18 V or less - Max Battery Block No Battery block number with maximum voltage / Min.: 1, Max.: 255 One of numbers 1 to 17 - Battery Block Vol -V01 to 17 Battery block voltage / Min.: -327.68 V, Max.: 327.67 V SOC 60% : 12 to 20 V - Internal Resistance R01 to 17 Internal resistance of each battery block / Min.: 0 ohms, Max.: 0.255 ohms Always: 0.01 to 0.1 ohms - Battery Low Time Battery low time / Min.: 0, Max.: 65535 - - DC Inhibit Time DC inhibit time / Min.: 0, Max.: 65535 - - Battery too High Time Battery too high time / Min.: 0, Max.: 65535 - - Hot Temperature Time Hot temperature time / Min.: 0, Max.: 65535
2. ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data list information can be displayed while performing Active Tests. NOTE: It is necessary to use caution, because if the tester DLC3 connector becomes disconnected or if a communication error occurs during an Active Test, the vehicle could become inoperative (the READY indicator may go off). Connect the Techstream to the DLC3. Turn the power switch on (IG). Enter the following menus: Powertrain / Hybrid Control / Active Test. According to the display on the Techstream, perform the appropriate Active Test. Tester Display Test Part Control Range Test Details Test Condition Inspection Mode -2WD Inspection*1 - - - - Inspection Mode -2WD Chassis- Dynamo*1 - - - - Compression Test*2 To crank the engine continuously in order to measure the compression ON or OFF Allows the engine to continue cranking by activating the MG1 continuously Power switch on (IG), HV system normal, not in cranking mode, and other active tests not being done Activate the Water Pump To activate the HV water pump continuously ON or OFF Activates the HV water pump continuously Power switch on (IG), HV system normal, not in maintenance mode, and other active tests not being done Driving the Battery Cooling Fan To check operation of the cooling fan and if there is sufficient air flow 0 to 6 Stops the cooling fan or changes air volume mode (1 to 6) Power switch on (IG), system is normal Connect the TC and TE 1 Batch display of warnings on combination meter ON or OFF TC terminal can be switched ON/OFF Power switch on (IG), system is normal NOTE: *1: Enter inspection mode. Refer to «INSPECTION MODE PROCEDURE»(ref-398089-S21258796492011051600000) . *2: The Techstream will display a communication error and the vehicle's READY indicator will turn off when the Active Test is completed. If the Techstream will be used on the vehicle again, turn the power switch off and then on (READY) again to restart the Techstream.

DIAGNOSTIC TROUBLE CODE CHART

HYBRID CONTROL SYSTEM