DESCRIPTION The forward recognition camera receives vehicle speed signals from the skid control ECU (brake actuator assembly). If the skid control ECU (brake actuator assembly) receives a vehicle speed sensor malfunction signal, it informs the forward recognition camera via CAN communication, and DTC C1AA3 is stored.
CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
HINT: If DTC C1AA3 is stored, the vehicle stability control system may be malfunctioning. Check for DTCs related to the vehicle stability control system first. (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Check for DTCs. Click here
(a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Chassis / LKA/LDA / Trouble Codes. (e) Clear the DTCs. (f) Make sure that the DTC detection conditions are met. HINT: If the following procedure is not performed, the previously output DTC cannot be detected. (g) Check for DTCs.
(a) Replace the forward recognition camera. Click here (b) Adjust the forward recognition camera. Click here
(a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Chassis / LKA/LDA / Trouble Codes. (e) Clear the DTCs. (f) Make sure that the DTC detection conditions are met. HINT: If the following procedure is not performed, the previously output DTC cannot be detected. (g) Check for DTCs.
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Toyota Tundra Service Manual > Sfi System: Definition Of Terms
DEFINITION OF TERMS Term Definition Monitor Description Description of what ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of diagnostic trouble codes output by ECM based on same malfunction detection logic. Typical Enabling Conditions Preconditions ...