Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000025TDN |
Model Year Start: 2023 |
Model: Corolla Hatchback |
Prod Date Range: [09/2022 - 11/2022] |
Title: PA10 (HYBRID TRANSMISSION / TRANSAXLE): HYBRID VEHICLE TRANSAXLE: REMOVAL; 2023 MY Corolla Corolla Hatchback Corolla HV [09/2022 - 11/2022] |
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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Replacement of ECM
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Vehicle Identification Number (VIN) registration
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MIL comes on
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ECU configuration
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-
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Update ECU security key
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Vehicle Control History (RoB) are stored
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Replacement of inverter with converter assembly
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ECU configuration
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-
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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 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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Replacement of hybrid vehicle transaxle assembly
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Resolver learning
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Initialize resolver
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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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Front wheel alignment adjustment
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Perform "Reset Memory"
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Perform "Calibration"
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DTCs are stored
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ABS warning light illuminates
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Brake system warning light (yellow indicator) illuminates
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Slip indicator light illuminates
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Electronically controlled brake system disabled or malfunctions
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HINT:
When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
Learning completes when vehicle is driven
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedure
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Link
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Front Camera System (for TMC Made)
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Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.
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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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Shift Lever Position Sensor Connector
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*c
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Motor Temperature Sensor and Generator Temperature Sensor Connector
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-
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-
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(b) 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.
(c) Disconnect the motor temperature sensor and generator temperature sensor connector.
(d) Remove the bolt.
(e) Disengage the 6 clamps to disconnect the engine wire.
6. REMOVE STARTER HOLE INSULATOR
(a) Remove the 2 bolts and starter hole insulator from the engine assembly.
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7. REMOVE FLYWHEEL HOUSING SIDE COVER
(a) Remove the flywheel housing side cover from the engine assembly.
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8. REMOVE ENGINE ASSEMBLY
(a) Remove the 7 bolts and engine assembly from the hybrid vehicle transaxle assembly.
NOTICE:
-
To avoid damaging the knock pins, do not pry between the hybrid vehicle transaxle assembly and engine assembly.
-
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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9. 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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10. REMOVE NO. 2 ENGINE MOVING CONTROL ROD
(a) Remove the 5 bolts and No. 2 engine moving control rod from the hybrid vehicle transaxle assembly.
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11. REMOVE MOTOR CABLE
Click here
12. 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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13. REMOVE WIRE HARNESS CLAMP BRACKET
(a) Remove the 5 bolts and 5 wire harness clamp brackets from the hybrid vehicle transaxle assembly.
14. REMOVE TRANSAXLE HOUSING PLUG
(a) Remove the transaxle housing plug and gasket from the hybrid vehicle transaxle assembly.
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15. REMOVE STUD BOLT
(a) Using an E10 "TORX" socket wrench, remove the 2 stud bolts from the hybrid vehicle transaxle assembly.
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16. REMOVE TRANSAXLE BREATHER PLUG
HINT:
Perform this procedure only when replacement of the transaxle breather plug is necessary.
(a) Remove the transaxle breather plug from the hybrid vehicle transaxle assembly.
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