Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Lexus ES 350 V6-3.5L (2GR-FE)FACTORY OEM SERVICE PROCEDURE
Installation
CRUISE CONTROL: DISTANCE CONTROL ECU:
INSTALLATION
1. INSTALL DISTANCE CONTROL ECU ASSEMBLY
(a) Install the distance control ECU assembly with the nut.
Torque: 5.0 Nm (51 kgf-cm, 44 in-lbf)
NOTE: Do not install the distance control ECU if it has been damaged or impacted in any way.
(b) Connect the connector.
(c) Install the certification ECU with instrument panel wire with the 2 nuts and bolt.
Torque: 8.0 Nm (82 kgf-cm, 71 in-lbf)
2. INSTALL LOWER INSTRUMENT PANEL RH Installation
3. INSTALL FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY Installation
4. INSTALL SIDE INSTRUMENT PANEL RH Installation
5. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Installation
6. INSTALL FRONT DOOR OPENING TRIM COVER RH Installation
7. INSTALL FRONT DOOR SCUFF PLATE RH Installation
8. INSTALL INSTRUMENT PANEL FINISH PANEL END RH Installation
9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
10. INITIALIZE DISTANCE CONTROL ECU ASSEMBLY
NOTE: After replacing the distance control ECU, it is necessary to initialize the distance control ECU so that the ECU can recognize the specification of the vehicle.
(a) Be sure to perform the following procedures after replacing the distance control ECU.
(1) Turn the engine switch on (IG).
(2) Turn the cruise control main switch on.
(3) With the brake pedal depressed, push the cruise control main switch to RES/ACC 3 times within 3 seconds. Check that the buzzer sounds at this time.
NOTE: Do not turn the headlight dimmer switch on at this time because the optical axis automatic adjustment mode has already started, which may lead to an incorrect optical axis setting. If the headlight dimmer switch is turned on by mistake, readjust the optical axis Adjustments.
11. PERFORM INITIALIZATION
NOTE: Some systems need initialization when disconnecting the cable from the negative battery terminal Repair Instruction - Initialization.
12. INSPECT FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY Front Passenger Side Knee Airbag Assembly
13. INSPECT SRS WARNING LIGHT Diagnosis System
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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