Toyota Sienna Service Manual: Terminals of ECU

Toyota Sienna Service Manual / Door lock / Power door lock control system / Terminals of ECU

1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

Disconnect the 1C, 1J, 1L, 1K, 1P, B6, B7 and B9 J/ B connectors.

CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

Measure the voltage and resistance according to the value(s) in the table below.

Standard

Standard

HINT:

If the result is not as specified, there may be a malfunction on the wire harness side.
*1: w/o Power back door

Reconnect the J/B and ECU connectors and measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

HINT:

*1: w/o Power Back Door
Use an oscilloscope to check the output voltages of terminals LSWD, LSWP, LSWL and LSWR.
If the result is not as specified, the J/B (body ECU) may have a malfunction.

2. CHECK POWER BACK DOOR ECU (w/ Power back door system)

Disconnect the P13 and P14 ECU connectors.

CHECK POWER BACK DOOR ECU (w/ Power back door system)

Measure the voltage and resistance according to the value(s) in the table below.

Standard

Standard

HINT: If the result is not as specified, there may be a malfunction on the wire harness side.

Reconnect the ECU connectors and measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

HINT: If the result is not as specified, the ECU may have a malfunction.

Problem symptoms table

HINT: Inspect the fuse and relay before investigating the suspected areas shown in the table below. POWER DOOR LOCK CONTROL SYSTEM ...

Diagnosis system

1. 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. ...

Other materials:

Installation
1. INSTALL SLIDE DOOR ROLLER ASSEMBLY UPPER Apply MP grease to the rotating area of the roller. Install the roller with the 2 bolts. Torque: 13 N*m (130 kgf*cm, 10 ft.*lbf) 2. INSTALL SLIDE DOOR HINGE ASSEMBLY CENTER LH Apply MP grease to the rotating areas of the hinge. Ins ...

Removal
1. REMOVE FRONT DOOR LOWER FRAME BRACKET GARNISH LH 2. REMOVE FRONT DOOR INSIDE HANDLE BEZEL PLUG LH 3. REMOVE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 4. REMOVE FRONT DOOR TRIM BOARD SUBASSEMBLY LH 5. REMOVE SEAT MEMORY SWITCH Disengage the 4 claws and remove the seat memor ...

Eject Error/ Elevator Error/ Clamp Error
DTC 63-45 Eject Error DTC 63-51 Elevator Error DTC 63-52 Clamp Error DESCRIPTION DTC No. DTC Detection Condition Trouble Area 63-45 Magazine cannot be ejected. Radio and navigation assembly 63-51 Mechanical error occurs during elevator ...