Canada - Drivetrain Controls - 4WD ECU Service Precaution

Bulletin
TSB2045

Issue Date
July 20, 2004

Title
4WD ECU SERVICE PRECAUTIONS

Component
DRIVELINE AND DIFFERENTIAL

Models
'03 - '04 4Runner

MARKET
Canada

When servicing or disconnecting the 4WD ECU, be sure to disconnect all power by removing the 20A 4WD fuse or negative battery terminal. Failure to disconnect the electrical connectors will cause the transfer case actuator to activate and damage the transfer case actuator.

APPLICABLE VEHICLES:
- 2003 - 2004 model year 4Runner (V6 & V8) vehicles equipped with multi-mode 4WD and full-time 4WD ONLY





WARRANTY INFORMATION:

REPAIR PROCEDURE:

CAUTION:
Irreparable damage to the transfer case actuator may result when the proper precautions and repair procedures are NOT followed. Damage to the actuator caused by improper procedures in NOT a warrantable repair.

Refer to E-TAS for proper repair procedures. Use the applicable model year 4Runner Repair Manual:
Section: Repair instruction
Subsection: Precaution