DESCRIPTION In cases where doors locked (lock) by themselves even though a door lock operation was not performed, possible causes include vehicle-side malfunction, environmental malfunction, or operation by the customer (including other passengers in the vehicle). By using the operation history, the possible causes of the malfunction can be narrowed down, allowing the problem to be resolved by repair, replacement, or in some cases explaining the environmental or usage issues to the customer. In cases where doors unlock by themselves even though a door unlock operation was not performed, possible causes include vehicle-side malfunction, environmental malfunction, or operation by the customer (including other passengers in the vehicle). By using the operation history, the possible causes of the malfunction can be narrowed down, allowing the problem to be resolved by repair, replacement, or in some cases explaining the environmental or usage issues to the customer. CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Confirm the vehicle symptoms.
(a) Use the Techstream to check the door lock operation history around the time that the malfunction reported by the customer occurred, based on the contents of the customer interview and the last recorded door lock operation history around the time that the problem is reported to have occurred. (1) On the Techstream screen, enter the following menus: Body / Main Body / Utility / Operation History Analysis. According to the display on the Techstream, read the operation history. Click here (2) Check that there is door lock operation history as reported by the customer. Click here HINT: Based on the displayed operation history, perform vehicle-side inspection, and perform repairs if a problem is found. If the vehicle has no malfunction, interview the customer about possible causes such as "the driver" and "environmental / other than the driver".
(a) If the phenomenon could not be confirmed or reproduced, after explaining this to the customer, also explain the history of input signals involving systems such as the multiplex network master switch assembly and electronic key (electrical key transmitter sub-assembly) for the relevant date/time in the operation history. Click here Standard: Cause was identified
(a) Use the Techstream to check the door unlock operation history around the time that the malfunction reported by the customer occurred, based on the contents of the customer interview and the last recorded door unlock operation history around the time that the problem is reported to have occurred. HINT: Check the operation history to confirm whether the door was unlocked as reported by the customer. (1) On the Techstream screen, enter the following menus: Body / Main Body / Utility / Operation History Analysis. According to the display on the Techstream, read the operation history. Click here (2) Check that there is door lock operation history as reported by the customer. Click here HINT: Based on the displayed operation history, perform vehicle-side inspection, and perform repairs if a problem is found. If the vehicle has no malfunction, interview the customer about possible causes such as "the driver" and "environmental / other than the driver".
(a) Use the Techstream to check for operation history leading to the malfunction, based on the contents of the customer interview and the last recorded door unlock operation history around the time that the problem is reported by the customer to have occurred. (1) On the Techstream screen, enter the following menus: Body / Main Body / Utility / Operation History Analysis. According to the display on the Techstream, read the operation history. Click here (2) Check that there is door lock operation history as reported by the customer. Click here HINT: Based on the displayed operation history, perform vehicle-side inspection, and perform repairs if a problem is found. If the vehicle has no malfunction, interview the customer about possible causes such as "the driver" and "environmental / other than the driver".
(a) If the phenomenon could not be confirmed or reproduced, after explaining this to the customer, also explain the history of input signals involving systems such as the multiplex network master switch assembly and electronic key (electrical key transmitter sub-assembly) for the relevant date/time in the operation history. Click here Standard: Cause was identified
(a) Use the Techstream to check the door lock operation history around the time that the malfunction reported by the customer occurred. HINT: Check the operation history to confirm whether the door was locked as reported by the customer. (1) On the Techstream screen, enter the following menus: Body / Main Body / Utility / Operation History Analysis. According to the display on the Techstream, read the operation history. Click here (2) After checking the items displayed for "Vehicle Condition" and "Detected Operation History", perform inspection according to "Inspection Areas". Click here HINT: Based on the displayed operation history, perform vehicle-side inspection, and perform repairs if a problem is found. If the vehicle has no malfunction, interview the customer about possible causes such as "the driver" and "environmental / other than the driver".
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Toyota Tundra Service Manual > Window / Glass: Window Defogger Wire(for Crewmax)
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BACK WINDOW GLASS (DEFOGGER WIRE) NOTICE: When cleaning the glass, wipe the glass along the wire using a soft, dry cloth. Take care not to damage the defogger wires. Do not use detergents or glass cleaners that have abrasive ingredient ...
