Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001H6SW |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 04/2020] |
Title: P610 (HYBRID TRANSMISSION / TRANSAXLE): HYBRID VEHICLE TRANSAXLE: REMOVAL; 2020 MY Corolla Corolla HV [01/2019 - 04/2020] |
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during hybrid vehicle transaxle assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Auxiliary battery terminal is disconnected/reconnected
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Perform steering sensor zero point calibration
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Lane Control System (for HV Model)
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Pre-collision System (for HV Model)
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Replacement of ECM
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Vehicle Identification Number (VIN) or frame number registration
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MIL comes on
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Replacement of inverter with converter assembly
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Resolver learning
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DTCs are stored
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Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
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Shock or vibration during acceleration
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Replacement of hybrid vehicle transaxle assembly
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Resolver learning
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Initialize resolver
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Replacement of throttle body assembly
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Replacement of engine assembly
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Gas leak from exhaust system is repaired
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Inspection After Repair
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Poor idle, etc.
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Engine start function, etc.
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Front wheel alignment adjustment
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Clear zero point calibration data
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Perform yaw rate and acceleration sensor zero point calibration
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DTCs are stored
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ABS warning light illuminates
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Brake warning light / yellow (minor malfunction) illuminates
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Slip indicator light illuminates
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VSC disabled or malfunctions
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NOTICE:
After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))
PROCEDURE
1. PERFORM RESOLVER INITIALIZATION
NOTICE:
If it is necessary to replace the hybrid vehicle transaxle assembly, make sure to perform resolver initialization before starting work.
Click here
2. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
Click here
3. REMOVE WIRE HARNESS CLAMP BRACKET
Click here
4. INSTALL ENGINE HANGERS
Click here
5. DISCONNECT ENGINE WIRE
(a) Disconnect the motor resolver, generator resolver and transmission fluid temperature sensor connector.
*a
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Motor Resolver, Generator Resolver and Transmission Fluid Temperature Sensor Connector
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*b
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Motor Temperature Sensor and Generator Temperature Sensor Connector
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*c
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Shift Lever Position Sensor Connector
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(b) Disconnect the motor temperature sensor and generator temperature sensor connector.
(c) Disconnect the shift lever position sensor connector.
NOTICE:
After disconnecting the engine wire, cover the connector of the shift lever position sensor with tape (non-residue type) or equivalent to prevent the entry of foreign matter or water.
(d) Remove the 2 bolts.
(e) Disengage the 2 clamps to disconnect the engine wire from the hybrid vehicle transaxle assembly.
6. DISCONNECT HV AIR CONDITIONING WIRE
(b) Disengage the guide to disconnect the HV air conditioning wire from the hybrid vehicle transaxle assembly.
7. REMOVE STARTER HOLE INSULATOR
(a) Remove the 2 bolts and starter hole insulator from the engine assembly.
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8. REMOVE FLYWHEEL HOUSING SIDE COVER
(a) Remove the flywheel housing side cover from the engine assembly.
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9. REMOVE ENGINE ASSEMBLY
(a) Remove the 7 bolts and engine assembly from the hybrid vehicle transaxle assembly.
NOTICE:
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To avoid damaging the knock pins, do not pry between the hybrid vehicle transaxle assembly and engine assembly.
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To prevent the splines of the transmission input damper assembly from becoming misaligned, do not allow the hybrid vehicle transaxle assembly to hit the transmission input damper assembly during engine assembly removal and installation.
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10. REMOVE FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY
(a) Remove the bolt and front suspension crossmember sub-assembly from the No. 2 engine moving control rod.
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11. REMOVE NO. 2 ENGINE MOVING CONTROL ROD
(a) Remove the 4 bolts and No. 2 engine moving control rod from the hybrid vehicle transaxle assembly.
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12. REMOVE MOTOR CABLE
Click here
13. REMOVE MOTOR COOLING COOLER
(a) Slide the clip and disconnect the No. 1 motor cooling hose from the No. 1 motor cooling pipe.
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(b) Remove the bolt and No. 1 oil cooler tube clamp from the hose bracket.
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(c) Remove the union bolt and gasket to disconnect the No. 2 motor cooling pipe from the hybrid vehicle transaxle assembly.
(d) Remove the 3 bolts and motor cooling cooler with No. 2 motor cooling pipe from the hybrid vehicle transaxle assembly.
NOTICE:
Make sure not to remove the No. 1 motor cooling hose and No. 2 motor cooling hose from the motor cooling cooler as the motor cooling cooler may be deformed.
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14. REMOVE NO. 1 MOTOR COOLING PIPE
(a) Loosen the flare nut of the No. 1 motor cooling pipe and disconnect the No. 1 motor cooling pipe from the union.
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(b) Remove the bolt, No. 1 oil cooler tube clamp and No. 1 motor cooling pipe from the hose bracket.
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15. REMOVE HOSE BRACKET
(a) Remove the 2 bolts and hose bracket from the hybrid vehicle transaxle assembly.
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16. REMOVE NO. 1 TRANSMISSION CONTROL CABLE BRACKET
(a) Remove the 2 bolts and No. 1 transmission control cable bracket from the hybrid vehicle transaxle assembly.
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17. REMOVE WIRE HARNESS CLAMP BRACKET
(a) Remove the 2 bolts and 2 wire harness clamp brackets from the hybrid vehicle transaxle assembly.
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18. REMOVE TRANSAXLE HOUSING PLUG
(a) Remove the transaxle housing plug and gasket from the hybrid vehicle transaxle assembly.
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19. REMOVE STUD BOLT
(a) Using a E8 "TORX" socket wrench, remove the 2 stud bolts from the hybrid vehicle transaxle assembly.
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