CHECK PART NUMBER OF BATTERY SMART UNIT
If the battery smart unit had been replaced just before the malfunction occurred, check the part number of the battery smart unit.
Note
The type of battery smart unit to be used varies depending on the vehicle model.
If the wrong type of battery smart unit is installed, the power switch cannot be turned on (READY).
After installing the battery smart unit, perform the following to check that the power switch can be turned on (READY).
Turn the power switch on (READY).
Turn the power switch off and wait for 30 seconds or more.
Turn the power switch on (READY) again.
PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing Click here.
Note
After turning the power switch off, waiting time may be required before disconnecting the cable from the auxiliary battery negative (-) terminal. Therefore, make sure to read the disconnecting the cable from the auxiliary battery negative (-) terminal notices before proceeding with work Click here.
READ OUTPUT DTC
Check for DTCs Click here.
Note
Confirm that P0AA6 (Hybrid Battery Voltage System Isolation Fault) is not output before performing removal or installation work on the internal parts of the battery. If the DTC is output, perform troubleshooting procedures first.
REMOVE LUGGAGE COMPARTMENT FLOOR MAT
Remove the luggage compartment floor mat.
REMOVE LUGGAGE COMPARTMENT TRIM COVER LH
Remove the luggage compartment trim cover LH.
DISCONNECT CABLE FROM AUXILIARY BATTERY TERMINAL
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Click here.
Disconnect the cable from the auxiliary battery negative (-) terminal.
Tech Tips
Both cables should be disconnected to prevent the AMD terminal from shorting to ground.
Remove the terminal cover.
Remove the nut and disconnect the cable from the auxiliary battery positive (+) terminal.
Tech Tips
Both cables should be disconnected to prevent the AMD terminal from shorting to ground.
REMOVE NO. 1 SEAT ARMREST CAP
Detach the 4 claws and 4 guides, and remove the No. 1 seat armrest cap.
REMOVE LOWER HYBRID VEHICLE BATTERY COVER PANEL
CAUTION:
Perform work using insulated gloves and insulated tools.
Remove the 4 nuts and lower hybrid vehicle battery cover panel.
REMOVE SERVICE PLUG GRIP
*1 | Lever | - | - |
Remove the service plug grip in the order shown in the illustration.
CAUTION:
Wear insulated gloves.
Remove the service plug grip to interrupt a high voltage circuit at the time of the check.
Keep the removed service plug grip in your pocket to prevent other technicians from accidentally reconnecting it while you are servicing the vehicle.
After disconnecting the service plug grip, wait at least 10 minutes before touching any of the high-voltage connectors or terminals.
Never turn the power switch on (READY) with the service plug grip removed as malfunctions may occur.
Tech Tips
Waiting for at least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly.
High voltage wiring connectors are orange.
Slide the lever and release the lock.
Raise the lever and pull the service plug grip to remove it.
REMOVE INVERTER COVER
*A | for LHD |
*B | for RHD |
Raise the front of the inverter cover to detach the clip. Then remove the 2 inverter cover clips from the bracket, and remove the inverter cover.
REMOVE CONNECTOR COVER ASSEMBLY
CAUTION:
Do not touch the high voltage connectors and terminals for 10 minutes after the service plug grip is removed.
Wear insulated gloves.
Note
Do not start the hybrid system with the service plug grip removed because it may cause a malfunction.
*A | for LHD |
*B | for RHD |
Using an insulated tool, remove the 2 bolts and connector cover assembly.
Note
Make sure to pull the connector cover assembly straight up, as a connector is connected to the bottom of the connector cover assembly.
Do not allow any foreign objects or water to enter the inverter with converter assembly.
CHECK TERMINAL VOLTAGE
CAUTION:
Wear insulated gloves.
Note
Do not allow any foreign objects or water to enter the inverter with converter assembly.
*A | for LHD |
*B | for RHD |
Using a voltmeter, measure the voltage between the terminals of the 2 phase connectors.
Standard voltage |
---|
0 V |
Tech Tips
Use a measuring range of DC 750 V or more on the voltmeter.
INSTALL CONNECTOR COVER ASSEMBLY
CAUTION:
Wear insulated gloves.
Note
Make sure that the interlock is fully engaged.
Do not allow any foreign objects or water to enter the inverter with converter assembly.
Using an insulated tool, install the connector cover assembly with the 2 bolts.
INSTALL INVERTER COVER
Attach the 2 inverter cover claws to the inverter with converter. Then attach the inverter cover with the clip.
REMOVE REAR SEAT ASSEMBLY
REMOVE REAR DOOR SCUFF PLATE LH
Place your hands on the inner portion of the rear door scuff plate LH and detach the 2 claws labeled A, 6 claws labeled B and 2 claws labeled C in the order shown in the illustration.
Raise the rear door scuff plate LH to detach the 4 clips on the outer side and remove it.
*1 | Claw A | *2 | Claw B |
*3 | Claw C | - | - |
REMOVE REAR SEAT SIDE GARNISH LH
Detach the 4 claws and guide and remove the rear seat side garnish LH.
REMOVE INNER ROOF SIDE GARNISH LH
w/ Rear Sunshade:
Detach the 4 clips.
Detach the 3 guides and the end of the rear window shade assembly, and then remove the inner roof side garnish LH.
*1 | End Of The Rear Window Shade Assembly |
*2 | Guide |
w/o Rear Sunshade:
Detach the 4 clips and 3 guides and remove the inner roof side garnish LH.
REMOVE REAR DOOR SCUFF PLATE RH
Tech Tips
Use the same procedure described for the LH side.
REMOVE REAR SEAT SIDE GARNISH RH
Tech Tips
Use the same procedure described for the LH side.
REMOVE INNER ROOF SIDE GARNISH RH
Tech Tips
Use the same procedure described for the LH side.
REMOVE PACKAGE TRAY TRIM PANEL ASSEMBLY
Using a moulding remover, detach the 4 claws and remove the rear seat shoulder belt hole cover.
Tech Tips
Use the same procedure to remove the rear seat shoulder belt hole cover on the other side.
Using a moulding remover, detach the 4 claws and remove the belt guide of the rear seat inner with center belt assembly LH.
w/o Rear Sunshade:
Detach the 4 claws and remove the center stop light cover.
Disconnect the connector.
Detach the 4 clips, and then slide the package tray trim panel assembly towards the front of the vehicle to detach the 5 guides.
Pass the 3 rear seat belt floor anchors through the package tray trim panel assembly and remove the package tray trim panel assembly.
w/ Rear Sunshade:
Detach the 4 clips, and then slide the package tray trim panel assembly towards the front of the vehicle to detach it from the rear window shade assembly.
Pass the 3 rear seat belt floor anchors through the package tray trim panel assembly and remove the package tray trim panel assembly.
REMOVE CENTER STOP LIGHT COVER (w/ Rear Sunshade)
Detach the 4 claws and remove the center stop light cover.
Disconnect the connector.
REMOVE NO. 2 PACKAGE TRAY TRIM PANEL ASSEMBLY (w/ Rear Sunshade)
Detach the 3 clips and 5 guides and remove the No. 2 package tray trim panel assembly.
REMOVE NO. 2 ROOM PARTITION PAD
Using a clip remover, remove the 2 clips and No. 2 room partition pad.
REMOVE NO. 1 ROOM PARTITION PAD
Using a clip remover, remove the 5 clips and No. 1 room partition pad.
REMOVE LUGGAGE COMPARTMENT TRIM COVER RH
Remove the luggage compartment trim cover RH.
REMOVE SIDE TRIM BOX
Remove the side trim box.
REMOVE LUGGAGE COMPARTMENT SIDE TRAY (w/ Spare Tire)
Remove the luggage compartment side tray.
REMOVE LUGGAGE COMPARTMENT TRIM BOX (w/o Spare Tire)
Remove the luggage compartment trim box.
REMOVE SPARE WHEEL COVER TRAY (w/o Spare Tire)
Remove the spare wheel cover tray.
REMOVE ROPE HOOK ASSEMBLY
Tech Tips
Use the same procedure for all rope hooks.
Detach the 2 claws and open the cover.
Remove the bolt and rope hook assembly.
REMOVE REAR LUGGAGE COMPARTMENT TRAY BRACKET LH
Remove the clip.
Detach the claw and remove the rear luggage compartment tray bracket LH.
REMOVE REAR LUGGAGE COMPARTMENT TRAY BRACKET RH
Tech Tips
Use the same procedure described for the LH side.
REMOVE NO. 1 LUGGAGE COMPARTMENT TRIM HOOK
Detach the 2 claws and remove the No. 1 luggage compartment trim hook.
REMOVE NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLY
*1 | Protective Tape |
Using a screwdriver wrapped with protective tape, detach the 2 claws and remove the No. 1 luggage compartment light assembly.
Disconnect the connector.
REMOVE REAR LUGGAGE COMPARTMENT TRIM COVER
Remove the 3 No. 2 luggage compartment trim hooks as shown in the illustration.
Remove the 5 clips.
Detach the 3 guides and remove the rear luggage compartment trim cover.
REMOVE REAR FLOOR FINISH PLATE
Remove the 3 clips.
Detach the 6 clips and remove the rear floor finish plate.
REMOVE FRONT LUGGAGE COMPARTMENT TRIM COVER
Remove the 3 clips, 2 nuts and front luggage compartment trim cover.
REMOVE ROPE HOOK
Tech Tips
Use the same procedure for both rope hooks.
Pinch the rope hook as indicated by the arrows in the illustration to remove the rope hook.
REMOVE INNER LUGGAGE COMPARTMENT TRIM COVER LH
Using a clip remover, remove the clip.
Detach the 2 claws and remove the clip.
Detach the clip and remove the luggage compartment trim inner cover LH.
REMOVE INNER LUGGAGE COMPARTMENT TRIM COVER RH
Using a clip remover, remove the clip.
Detach the 2 claws and remove the clip.
Detach the clip and remove the luggage compartment trim inner cover RH.
REMOVE NO. 6 HYBRID BATTERY INTAKE DUCT
Tech Tips
If the message "Cooling performance of the hybrid battery is low Consult a dealer" is displayed on the multi-information display in the combination meter assembly, inspect the No. 6 hybrid battery intake duct after removing it Click here.
Roll up the No. 1 room partition pad.
Remove the 2 clips.
Disconnect the No. 6 hybrid battery intake duct from the No. 3 hybrid battery intake duct and remove it.
REMOVE NO. 1 HYBRID BATTERY INTAKE DUCT
Tech Tips
If the message "Cooling performance of the hybrid battery is low Consult a dealer" is displayed on the multi-information display in the combination meter assembly, inspect the No. 1 hybrid battery intake duct after removing it Click here.
Remove the 2 clips.
Disconnect the No. 1 hybrid battery intake duct from the No. 3 hybrid battery intake duct and remove it.
REMOVE NO. 3 HYBRID BATTERY INTAKE DUCT
Remove the 3 clips.
Disconnect the No. 3 hybrid battery intake duct from the battery cooling blower assembly and remove it.
REMOVE NO. 4 HYBRID VEHICLE BATTERY SHIELD SUB-ASSEMBLY
CAUTION:
Perform work using insulated gloves and insulated tools.
*1 | Battery Cover Lock Striker |
*2 | Button |
*a | Counterclockwise |
*b | Protrusion |
Using the service plug grip, insert the protrusion part of the service plug grip, turn the button of the battery cover lock striker counterclockwise, and release the lock.
Remove the 4 nuts and No. 4 hybrid vehicle battery shield sub-assembly.
DISCONNECT NO. 4 FLOOR WIRE
CAUTION:
Perform work using insulated gloves and insulated tools.
Remove the battery shield contact.
Detach the wire harness clamp.
Remove the 2 nuts and disconnect the 2 wires of the No. 4 floor wire.
Note
Insulate the terminals of the disconnected high voltage wire with insulating tape.
REMOVE NO. 1 HYBRID BATTERY CARRIER BRACKET
CAUTION:
Be sure to wear insulated gloves.
Remove the 2 nuts.
Remove the 4 bolts and No. 1 hybrid battery carrier bracket.
REMOVE UPPER HYBRID BATTERY COVER SUB-ASSEMBLY
CAUTION:
Perform work using insulated gloves and insulated tools.
Detach the wire harness clamp.
Remove the 8 nuts and upper hybrid battery cover sub-assembly.
REMOVE HYBRID BATTERY JUNCTION BLOCK ASSEMBLY
CAUTION:
Perform work using insulated gloves and insulated tools.
Disconnect the 4 connectors.
Note
Insulate the disconnected high voltage connectors with insulating tape.
Tech Tips
High voltage wiring connectors are orange.
Remove the 3 nuts and hybrid battery junction block assembly.
Note
If the hybrid battery junction block assembly has been dropped, replace it with a new one.
REMOVE BATTERY SMART UNIT
CAUTION:
Perform work using insulated gloves and insulated tools.
Disconnect the 3 connectors.
Note
Insulate the disconnected high voltage connectors with insulating tape.
Tech Tips
High voltage wiring connectors are orange.
Remove the 2 nuts.
Detach the guide and remove the battery smart unit.