DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch ON. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Cruise Control / Trouble Codes. (e) Check for DTCs. CLEAR DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch ON. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Cruise Control / Trouble Codes. (e) Clear the DTCs. |
Toyota Tundra Service Manual > Sfi System: Open in Secondary Air Injection System Heater Control Circuit (P144C,P144D)
DESCRIPTION The ECM operates the air pump heater (AI HTR) relay which causes the air pump heater (AI HTR) to operate. DTC No. DTC Detection Condition Trouble Area P144C Open or short in the air pump heater (AI HTR) relay circuit for 5 seconds (1 trip detection logic). Open or short in air pump heate ...
