Toyota Sienna Service Manual: Diagnosis system

Toyota Sienna Service Manual / Engine immobiliser / Problem symptoms table / Diagnosis system

1. CHECK DLC3

CHECK DLC3

The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format.

CHECK DLC3

NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition switch, any other switches or the doors. If the result is not as specified, the DLC3 may have a malfunction. Repair or replace the harness and connector.

CHECK DLC3

Connect the cable of the intelligent tester (with CAN VIM) to the DLC3, turn the ignition switch to the ON position and attempt to use the intelligent tester. If the screen displays a communication error message, a problem exists in the vehicle side of the tester side.

HINT:

If communication is normal when the tool is connected to another vehicle, inspect the DLC3 on the original vehicle.
If communication is still impossible when the tool is connected to another vehicle, the problem is probably in the tool itself. Consult the Service Department listed in the tool's instruction manual.

Terminals of ECU

1. CHECK TRANSPONDER KEY AMPLIFIER Disconnect the I14 amplifier connector and measure the resistance between the terminal of the wire harness side connector and body ground. If the ...

DTC check / clear

1. CHECK DTC Connect the intelligent tester to the Controller Area Network Vehicle Interface Module (CAN VIM). Then connect the CAN VIM to the DLC3. Turn the ignition switch ...

Other materials:

Adjustment
HINT: If the malfunction does not disappear by following the procedure in ADJUSTMENT and the rear No. 2 seat assembly needs to be replaced, do not disassemble the rear No. 2 seat assembly. 1. ADJUST FRONT LEG HINT: Perform the following procedure if the inner leg does not lock. P ...

Removal
1. REMOVE REAR SEAT LEG SIDE GARNISH SUBASSEMBLY RH Disengage the clips and remove the seat leg side garnish sub-assembly RH. 2. REMOVE REAR NO. 2 SEAT ASSEMBLY RH Remove the bolt and locus cable RH. Remove the 2 bolts and rear No. 2 seat assembly RH. R ...

Unmatched Encryption Code
DTC B2794 Unmatched Encryption Code DESCRIPTION This DTC is output when a key with an incomplete key code is inserted into the ignition key cylinder. DTC No. DTC Detection Condition Trouble Area B2794 Key with incomplete key code inserted Key IN ...