Audio System - Amplifier Won't Turn OFF/Battery Drain
AUDIOAU001-05
REVISED
August 2, 2005
Title:
PARASITIC DRAW FROM JBL AMPLIFIER
Models
'04 - '05 4Runner, Prius, RAV4, Sienna, Solara, & Tundra
'05 Corolla, Matrix, Sequoia, & Tacoma
TSB REVISION NOTICE:
^ February 3, 2006: A footnote has been clarified and a Note has been added below Parts Information. Required SSTs section has been updated with the latest battery analyzer (P/N 00002-V8150-KIT).
^ August 19, 2005: Part names have been updated for 2005 Tundra D-Cab in Parts Information.
^ The previous TSB should be discarded.
Introduction
Some customers may intermittently experience a pop noise while turning the ignition key ON or OFF due to the JBL amplifier staying ON when the ignition key is OFF. This could result in a dead battery after an extended cold soak. An updated JBL amplifier is available to address this situation.
Applicable Vehicles
^ 2004 - 2005 model year 4Runner, Prius, RAV4, Sienna, Solara, and Tundra vehicles equipped with the JBL audio system produced BEFORE the Production Change Effective VINs shown below.
^ 2005 model year Corolla, Matrix, Sequoia, and Tacoma vehicles equipped with the JBL audio system produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Warranty Information
Applicable Warranty:
This repair is covered under the Toyota Comprehensive Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date.
Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Required SSTs
NOTE:
Additional SSTs may be ordered by calling SPX-OTC at 1-800-933-8335.
Parts Information
NOTE:
Order replacement parts through the JBL exchange program.
repair Procedure
Order a replacement amplifier through the JBL exchange program, care of Sybesma Electronics. Refer to the Technical Information System (TIS), applicable model year vehicle Repair Manual for repair and replacement of the amplifier.
After replacing the amplifier, use the Digital Battery System Analyzer to confirm the battery condition before returning the vehicle to the customer.