DTC P0446
ENGINEEG002-99
April 2, 1999
Title:
DIAGNOSTIC TROUBLE CODE P0446
Models:
'99 ES 300
Introduction
Under certain driving conditions, some 1999 Model Year ES 300s will exhibit a false M.I.L. "ON" DTC P0446. A Vacuum Control Valve Assembly has been developed to prevent this condition.
Production Change Information
Parts Information
PREVIOUS PART NUMBER CURRENT PART NUMBER PART NAME
N/A 25852-20010 Valve, Vacuum Control
with Hoses
Warranty Information
Applicable Warranty*:
This repair is covered under the Lexus Basic 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 correction of a problem based upon a customer's specific complaint.
NOTE:
Please enter the DTC P0446 in the Condition/Cause/Remedy Section when applying for Warranty Reimbursement.
Repair Procedure
1. Verify that the Purge System is operating as specified in the Repair Manual.
2. Raise vehicle on lift to gain access to the Purge Canister and remove the two Vacuum Lines indicated in Figure 1. Save the Metal Clamps from the larger hoses for reuse.
3. Install the New Hose Assembly as shown in Figure 2. Reuse the Hose Clamps removed in Step 2 on the large hose as indicated.
4. Verify that the Vacuum Hose Assembly is installed as shown in Figure 3.
5. After lowering vehicle verify that the Gas Cap is on securely.