Canada - Emissions - MIL ON/DTC P2420 Set
Bulletin
T-TCI-3590
Issue Date
September 28, 2011
Market
Canada
Title
MIL "ON" DTC P2420
Service Category
Vehicle Interior
Section
Meter/Gauge/Display
Market
Canada
APPLICABILITY:
INTRODUCTION:
Some 2009 - 2010 model year Japan built Toyota vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P2420 (Evaporative Emission System Switching Valve Control Circuit High) present. The charcoal canister has been updated to address this condition.
PRODUCTION CHANGE INFORMATION:
This TSB applies to vehicles produced WITHIN the applicable VIN ranges shown.
PARTS INFORMATION:
WARRANTY INFORMATION:
REQUIRED TOOLS & EQUIPMENT:
NOTE
Additional Techstream or Techstream LITE units may be ordered by completing the order form on ETAS (Tools > Tools and Equipment > Order Form) and faxing it to (416) 431-8342.
REPAIR PROCEDURE:
1. Using ETAS Techstream, check for Diagnostic Trouble Codes (DTCs).
2. Are codes other than P2420 present?
- YES - Diagnose other DTC(s) first.
- NO - Continue to step 3.
3. Inspect VSV for proper power and ground circuits.
Perform the following checks with the Canister Pump Module Connector connected and back probe the pins to obtain the readings.
A. Check for voltage between Pin 9 (VLVB) and Chassis Ground. With IG ON, voltage should read between 9 V and 14 V.
- YES - Proceed to next step (3B).
- NO - This TSB does NOT apply - inspect and repair wiring.
B. Check for voltage between pin 8 (VGND) and Chassis Ground. With IG ON, voltage should read between 9 V and 14 V.
- YES - Proceed to next step (3C).
- NO - Vent Valve is open - proceed to step 4.
C. Using ETAS Techstream, activate the VSV and check voltage between pin 8 (VGND) and Chassis Ground.
Powertrain > Engine > Active Test > Activate the VSV for Vent Valve
- 9 V - 14 V present - This TSB does NOT apply - inspect and repair wiring.
- < 1 V present - Proceed to step 4.
4. Replace the Charcoal Canister Assembly.
Refer to TIS, applicable model and model year Repair Manual:
2010 4Runner:
- Engine/Hybrid System - Emission Control - "1GR-FE Emission Control: Canister: Removal / Installation"
2010 Camry:
- Engine/Hybrid System - Emission Control - "2AR-FE Emission Control: Canister: Removal / Installation"
- Engine/Hybrid System - Emission Control - "2GR-FE Emission Control: Canister: Removal / Installation"
2010 FJ Cruiser:
- Engine/Hybrid System - Emission Control - "1GR-FE Emission Control: Canister: Removal / Installation"
2009 Highlander:
- Engine/Hybrid System - Emission Control - "2GR-FE Emission Control: Canister: Removal / Installation"
2010 Highlander:
- Engine/Hybrid System - Emission Control - "2GR-FE Emission Control: Canister: Removal / Installation"
2009 Highlander HV:
- Engine/Hybrid System - Emission Control - "3MZ-FE Emission Control: Canister: Removal / Installation"
2010 Highlander HV:
- Engine/Hybrid System - Emission Control - "3MZ-FE Emission Control: Canister: Removal / Installation"
2010 Prius:
- Engine/Hybrid System - Emission Control - "2ZR-FXE Emission Control: Canister: Removal / Installation"
2010 RAV4:
- Engine/Hybrid System - Emission Control - "2AR-FE Emission Control: Canister: Removal / Installation"
- Engine/Hybrid System - Emission Control - "2GR-FE Emission Control: Canister: Removal / Installation"
2010 Yaris:
- Engine/Hybrid System - Emission Control - "1NZ-FE Emission Control: Canister: Removal / Installation"
5. Clear all DTCs using ETAS Techstream.
6. Perform the Automatic EVAP System Check and verify that no pending DTCs set.
System > Engine and ECT > Utility > EVAP System Check
NOTE
If the Automatic EVAP System Check fails to run, perform the following:
- Turn the ignition OFF.
- Turn ETAS Techstream OFF.
- Turn the ignition ON and ETAS Techstream ON and restart the Automatic EVAP System Check.
NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.