Canada - Keyless System - Intermittant No Start/Crank
BulletinTSB2589
Issue Date
November 18, 2008
Title
SMART KEY INTERMITTENT NO CRANK/NO START
Component
Engine Electrical
Models
'07 - '08 ES 350, GS 350, GS 450H, LS 460, '06 - '08 IS 350, & '08 LS 600H
INTRODUCTION:
Some customers may experience a no crank condition or a start and immediate stall condition when starting the engine using the "Push Start" switch. A new "Push Start" switch is now available to address this concern.
APPLICABLE VEHICLES:
PRODUCTION CHANGE INFORMATION:
This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown.
WARRANTY INFORMATION:
REQUIRED SSTS:
PARTS INFORMATION:
OVERVIEW:
REPAIR PROCEDURE:
NOTE:
In the repair manuals the push start switch is referenced to as the "Power Switch" when installed in Hybrid vehicles and the "Engine Switch" when installed in all other vehicles.
This TSB details the replacement of the push start switch on vehicles equipped with Smart Key with one of two specific concerns, both of which are intermittent issues that can occur only while starting the engine.
- No crank and no start concern.
- Engine cranks, starts and then immediately stalls.
NOTICE:
- Before considering replacement of the push start switch please verify the following conditions are normal.
- Vehicle battery is fully charged.
- Key battery voltages are within specification.
- No other repairs have been performed or parts replaced on the smart key system causing the system to become completely inoperative.
- The M.I.L. (Check Engine Light) is off with the engine running. If the M.I.L. is on repair and clear any related codes before performing this TSB.
Detailed removal and installation instructions of the engine/power switch including systems requiring initialization are found in the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: LS 600h/LS 460/LS 460L/GS 350, GS 450h, IS 250/350, ES 350
- Year: 2007 or 2008
- Service Category: Engine/Hybrid System
- Section: Starting
- Keyword: Power Switch Removal
- Keyword: Power Switch Installation
After replacing the "Push Start Switch" verify normal Smart Key operation
NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR.Normal provisions of the formal warranty policy, as applicable, will apply.