RX 450h AWD V6-3.5L (2GR-FXE) Hybrid (2011)
System Main Relay, Hybrid Drive: Service and Repair
Removal
HYBRID / BATTERY CONTROL: HV RELAY ASSEMBLY: REMOVAL
1. PRECAUTION
HINT
See: Service Precautions.
2. READ OUTPUT DTC
(a) Check for DTCs See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Hybrid Battery System.
NOTICE:
Check for DTCs and confirm that P0AA6 (Hybrid Battery Voltage System Isolation Fault) is not output before doing removal or
installation inside the battery. If the DTC is output, perform troubleshooting first.
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected See: Testing and
Inspection/Programming and Relearning/Repair Instruction - Initialization.
4. REMOVE BATTERY SERVICE HOLE COVER See: Battery System, Hybrid Drive/Hybrid Battery Service Switch/Service and Repair/Service
Plug Grip/Removal
5. REMOVE SERVICE PLUG GRIP See: Battery System, Hybrid Drive/Hybrid Battery Service Switch/Service and Repair/Service Plug
Grip/Removal
6. REMOVE BATTERY COVER SUB-ASSEMBLY
HINT
See: Battery System, Hybrid Drive/Battery, Hybrid Drive/Service and Repair/Removal.
7. REMOVE HYBRID BATTERY JUNCTION BLOCK ASSEMBLY
CAUTION:
Be sure to wear insulated gloves and protective goggles.
NOTICE:
Insulate the removed terminals with insulating tape.
(a) Remove the 2 nuts, then disconnect the No. 3 wire frame from the hybrid battery junction block assembly.
(b) Disconnect the 2 main battery cable connectors and No. 3 wire frame connector from the hybrid battery junction block assembly.
(c) Disconnect the 2 connectors from the hybrid battery junction block assembly.