Ignition System - MIL ON/Multiple Ign. Coil DTC's Set
L-SB-0179-09December 2, 2009
MIL "ON" DTC P0351, P0352, P0353, P0354, P0355 or P0356
Service Category
Engine/Hybrid System
Section
Engine Control
Market
USA
Applicability
Introduction
Some 2008 - 2009 model year ES 350 and 2008 - 2010 model year RX 350 vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P0351, P0352, P0353, P0354, P0355, or P0356 (Ignition Coil Primary/Secondary Circuit) stored in the Engine Control Module / ECM (SAE term: Powertrain Control Module/PCM). Use the following repair procedure to address this condition.
Production Change Information
This TSIB applies to vehicles produced BEFORE the Production Change Effective VINs shown.
Parts Information
Warranty Information
APPLICABLE WARRANTY
^ This repair is covered under the Lexus Comprehensive Warranty. This warranty is in effect for 48 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.
^ Warranty application is limited to occurrence of the specified condition described in this bulletin.
Required Tools & Equipment
Repair Procedure
1. Using TIS Techstream confirm one of the following DTCs is present:
^ P0351 - Ignition Coil "A" Primary / Secondary Circuit
^ P0352 - Ignition Coil "B" Primary / Secondary Circuit
^ P0353 - Ignition Coil "C" Primary / Secondary Circuit
^ P0354 - Ignition Coil "D" Primary / Secondary Circuit
^ P0355 - Ignition Coil "E" Primary / Secondary Circuit
^ P0356 - Ignition Coil "F" Primary / Secondary Circuit
2. Inspect the wire harness connectors and power source per Repair Manual procedure.
Refer to the Technical Information System (TIS) applicable model and model year Repair Manual:
3. If NO concerns are noted with the wire harness connectors or power source replace the affected ignition coil.
Refer to TIS applicable model and model year Repair Manual:
4. Test drive the vehicle to confirm the condition has been corrected.