Engine Controls - MIL ON/Multiple DTC's Set
ENGINEEG001-02
REVISED
Title:
M.I.L. "ON" DTC P1130, P1135, P1150
OR P1155
Models
'02 ES 300
April 23, 2002
TSIB REVISION NOTICE:
June 25, 2003: TSIB applies to all 2002 ES 300 vehicles.
The previous TSIB should be discarded.
Introduction
Under certain driving conditions, some 2002 model year ES 300 vehicles may exhibit a M.I.L. "ON" with one of the following DTCs as a result of an Air Fuel (A/F) Sensor manufacturing and installation issue.
^ P1130 (Air Fuel Ratio Sensor Circuit Range/Performance Malfunction [Bank 1, Sensor 1])
^ P1135 (Air Fuel Ratio Sensor Heater Circuit Malfunction [Bank 1, Sensor 1])
^ P1150 (Air Fuel Ratio Sensor Circuit Range/Performance Malfunction [Bank 2, Sensor 1])
^ P1155 (Air Fuel Ratio Sensor Heater Circuit Malfunction [Bank 2, Sensor 1])
With DTC P1130, additional DTCs may be recorded including P0171, P0300, P0301, P0303 or P0305.
With DTC P1150, additional DTCs may be recorded including P0174, P0300, P0302, P0304, P0306.
Replacement of the affected Air Fuel Sensor will correct this condition.
Applicable Vehicles
2002 model year ES 300 vehicles.
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 correction of a problem based upon a customer's specific complaint.
Repair Procedure
P1130 or P1135
1. Refer to 2002 ES 300 Repair Manual Volume 1, pages 05-141 to 05-142 for diagnosis of P1135
2. Confirm open circuit in A/F Sensor heater if P1135 is stored.
3. Refer to the 2002 ES 300 Repair Manual, Volume 2, page 12-10, for details in replacing Bank 1 Sensor 1 A/F Sensor.
4. Only replace the A/F Sensor indicated by the M.I.L. "ON" DTC(s)
P1150 or P1155
1. Refer to 2002 ES 300 Repair Manual Volume 1, pages 05-141 to 05-142 for diagnosis of P1155
2. Confirm open circuit in A/F Sensor heater if P1155 is stored.
3. Refer to the 2002 ES 300 Repair Manual, Volume 2, page 12-10, for details in replacing Bank 2 Sensor 1 A/F Sensor.
4. Only replace the A/F Sensor indicated by the M.I.L. "ON" DTC(s)