HS 250h L4-2.4L (2AZ-FXE) Hybrid (2010)
Main Relay (Computer/Fuel System): Service and Repair
Removal
Power Distribution
POWER DISTRIBUTION: INTEGRATION RELAY: REMOVAL
1. PRECAUTION (w/ Navigation System)
NOTICE:
After the power switch is turned off, the display and navigation module display (HDD navigation system) records various types of
memory and settings. As a result, after turning the power switch off, make sure to wait at least 60 seconds before disconnecting the
cable from the negative (-) battery terminal.
2. REMOVE LUGGAGE COMPARTMENT FLOOR MAT See: Starting and Charging/Battery/Service and Repair/Removal
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL See: Restraint Systems/Air Bag Systems/Air Bag/Service and
Repair/Removal and Replacement/Steering Pad/Removal
4. REMOVE NO. 1 RELAY BLOCK COVER
(a) Disengage the 3 claws and remove the No. 1 relay block cover as shown in the illustration.
5. REMOVE NO. 2 INTEGRATION RELAY
(a) Disengage the 2 claws and pull up the No. 2 integration relay as shown in the illustration.
(b) Disconnect the 3 connectors and remove the No. 2 integration relay.
2AZ-FXE Engine Control
2AZ-FXE ENGINE CONTROL: INTEGRATION RELAY: REMOVAL
1. REMOVE NO. 1 RELAY BLOCK COVER
2. REMOVE NO. 1 INTEGRATION RELAY
(a) Using a screwdriver with its tip wrapped with protective tape, disengage the 2 claws and disconnect the No. 1 integration relay.