Typical Enabling Conditions
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
ALL
| DS_active_pressure*1 | TRUE |
| The monitor will run whenever the following DTCs are not stored. | P0986 (Solenoid (SR) valve) P08D2, P08D3 (Solenoid (SC2) valve) P08E4, P08E5 (Solenoid (SC4) valve) P0960, P0962, P0963, P0746 (Solenoid (SL1) valve) P0964, P0966, P0967, P0776 (Solenoid (SL2) valve) P0968, P0970, P0971, P0796 (Solenoid (SL3) valve) P281B, P281D, P281E, P2817 (Solenoid (SL5) valve) P08BF, P08C1, P08C2, P08BB (Solenoid (SL6) valve) P27C5, P27C7, P27C8, P27C1 (Solenoid (SL7) valve) P27CD, P27CF, P27D0, P27C9 (Solenoid (SL8) valve) P2718, P2720 (Solenoid (SLT) valve) P1700 (ECU internal IC circuit) P0605 (Internal control module read only memory (ROM) error) P0604 (Internal control module random access memory (RAM) error) P062F (Internal control module EEPROM) P0840, P0841, P1738, P1739 (Transmission fluid pressure sensor "A" circuit) P0722, P077D, P077C (Output speed sensor circuit) P077A, P077B (Output speed sensor revolution direction) P0717, P07C0, P07BF (Input/turbine shaft speed sensor "A" circuit) P2102, P0122, P0123, P2103, P0121, P2102, P2103, P2111, P2112, P2119, P0657, P0604, P0607 ((ETCS) Electronic throttle control system) P0327, P0328 (KCS sensor circuit) P0712, P0713 (Transmission fluid temperature sensor "A" circuit) P0711 (Transmission fluid temperature sensor "A" rationality) |
| One of the following conditions is met | (a), (b) or (c) |
| (a) TCM indicate K0 clutch not release | - |
| (b) TCM indicate start clutch not release | - |
| (c) TCM selected gear not neutral | - |
| Duration time from finishing solenoid electric current cutting circuit | More than 0.5 seconds |
| Either condition is met | (a) or (b) |
| (a) TCM indicate solenoid (SC4) valve ON | - |
| (b) TCM indicate solenoid (SR) valve ON | - |
| TCM indicate not fail-safe RrEV mode*2 | - |
| Shift position | "D" |
| Duration time of shifting to "D" | 1 second or more at transmission fluid temperature is 20°C (68°F)) (conditions vary with transmission fluid temperature) |
| Transmission fluid temperature | -50°C (-58°F) or higher |
OFF MALFUNCTION (A)
| TCM selected gear | 2nd |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 60 rpm or more |
| Either condition is met | (a) or (b) |
| (a) TCM indicate K0 clutch release | - |
| (b) TCM indicate K0 clutch engagement | - |
OFF MALFUNCTION (B)
| TCM selected gear | 6th |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 60 rpm or more |
| Either condition is met | (a) or (b) |
| (a) TCM indicate K0 clutch release | - |
| (b) TCM indicate K0 clutch engagement | - |
ON MALFUNCTION (A)
| TCM selected gear | 1st |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 60 rpm or more |
| Either condition is met | (a) or (b) |
| (a) TCM indicate K0 clutch release | - |
| (b) TCM indicate K0 clutch engagement | - |
| l 1 - Transmission input speed / Output speed / 3rd gear ratio l | 4 % or more |
| l 1 - Transmission input speed / Output speed / 4th gear ratio l | 4 % or more |
ON MALFUNCTION (B)
| TCM selected gear | 3rd |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 60 rpm or more |
ON MALFUNCTION (C)
| TCM selected gear | 3rd |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 60 rpm or more |
ON MALFUNCTION (D)
| TCM selected gear | 3rd |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 300 rpm or more |
ON MALFUNCTION (E)
| TCM selected gear | 3rd |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 300 rpm or more |
ON MALFUNCTION (F)
| TCM selected gear | 4th |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 60 rpm or more |
ON MALFUNCTION (G)
| TCM selected gear | 4th |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 60 rpm or more |
ON MALFUNCTION (H)
| TCM selected gear | 5th |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 60 rpm or more |
ON MALFUNCTION (I)
| TCM selected gear | 5th |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 60 rpm or more |
ON MALFUNCTION (J)
| TCM selected gear | 5th |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 300 rpm or more |
ON MALFUNCTION (K)
| TCM selected gear | 5th |
| Time after transition to latest gear | 0.5 seconds or more at transmission fluid temperature 20°C (68°F) (conditions vary with transmission fluid temperature) |
| Output speed | 300 rpm or more |
HINT:
*1: Following condition (1) or condition (2) is met
CONDITION (1)
| Following condition is met | 2 seconds or more |
| Auxiliary battery voltage | 9.5 V or higher |
| Drive motor "A" revolution | 500 rpm or more |
| Lost communication with drive motor control module "A" (ch4) (U117E) | Not detected |
| Drive motor "A" revolution sensor (P06B0, P06D6, P0A1B, P0A3F, P0A40, P0A41, P0A42, P0C50, P0C52, P0C53, P0C5A, P0C5C, P0C5D, P1C2B, P1CAD, P1CB0) | Not system down |
CONDITION (2)
| Following condition is met | 0.7 seconds or more at transmission fluid temperature 30°C (86°F) (conditions vary with transmission fluid temperature) |
| Auxiliary battery voltage | 9.5 V or higher |
| Electric/auxiliary transmission fluid pump "A" motor (P18C2, P18C7, P18CC, P18C1, P18CB, P18C3, P18C8, P18CD, P18C9, P18CE, P18D2, P18D3, P18D5, P18D7, P18D6, P2797, P18C6, P18C4, P18D1, P18D4, U117F, P3176, P3177, P317E) | Not system down |
| Electric/auxiliary transmission fluid pump "A" motor is not shutdown | - |
| Either condition is met | (a) or (b) |
| (a) Solenoid (SRL1) valve (P0974) | Not circuit malfunction |
| (b) Solenoid (SRL1) valve (P0751) | Fail-safe does not active |
| Solenoid (SRL1) valve | OFF |
| Target electric/auxiliary transmission fluid pump "A" motor speed | 100 rpm or more |
| Lost communication with electric/auxiliary transmission fluid pump (U116B) | Not detected |
*2: Fail-safe RrEV mode
| All of the following conditions are met | (a), (b), (c) and (d) |
| (a) Engine operating mode | Stop |
| (b) TCM indicate start clutch release | - |
| (c) TCM indicate gear is neutral | - |
| (d) Only drive motor "B" provides the driving force | - |