Canada - Suspension - Flashing AHC OFF Light,DTC C1743

Bulletin
0628

Issue Date
2003-08-29

Market
Canada

Reference
FS-03-001

Model
LX470

Year Range
2002, 2003

Component
FS, RS, BE

Subject:
ACTIVE HEIGHT CONTROL RELAY

INTRODUCTION
Some 2002 and 2003 model year LX 470 vehicles may exhibit a flashing AHC (Active Height Control) "OFF" light with DTC C1743 in AHC ECU memory. A change has been made to the Active Height Control Main Relay to improve relay performance.

APPLICABLE VEHICLES
2002 & 2003 model year LX 470 vehicles produced BEFORE the Production Change Effective VINs shown below.

PARTS INFORMATION

REQUIRED SSTs

REPAIR PROCEDURE

Refer to ETAS for Active Height Control Main Relay location and diagnostic procedures.

For Active Height Control Main Relay location refer to 2002 or 2003 LX 470 Repair Manual on ETAS: Section - Diagnostics; Subsection - Active Height Control Suspension & Adaptive Variable Suspension, Parts Location.

For Active Height Control Main Relay diagnostics refer to 2002 or 2003 LX 470 Repair Manual: Section - Diagnostics; Subsection - Active Height Control Suspension & Adaptive Variable Suspension, C1743/43 AHC Main Relay.

WARRANTY INFORMATION