Toyota Sienna Service Manual: Problem symptoms table
HINT: Inspect the "Fuse" and "Relay" before confirming the suspected area as shown in the table below.
DISPLAY FUNCTION:
SOUND FUNCTION:
REMOTE CONTROL FUNCTION:
*1: without Navigation System
*2: with Navigation System
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Interview the customer and confirm the trouble.
Confirm the problem by duplicating the conditions
described by the customer
3 ...
Terminals of ECU
1. TELEVISION DISPLAY ASSEMBLY
*1: with Navigation System ...
Other materials:
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE HEATED OXYGEN SENSOR (for Bank 1
Sensor 2) (See page EC-38)
3. REMOVE TAIL EXHAUST PIPE ASSEMBLY
(a) Remove the 2 bolts.
(b) Disconnect the 4 exhaust pipe supports and remove
the tail exhaust pipe assembly.
(c) Remove the gas ...
Communication Error from ECM to VSC
DTC P1631 Communication Error from ECM to VSC
DTC U0100 Lost Communication with ECM/PCM "A"
DESCRIPTION
The ECM sends signals such as A/T information signals, dynamic laser cruise
control operation signals,
brake operation demand signals, and buzzer operation demand signals to the sk ...
Removal
1. PRECAUTION
CAUTION:
Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting the cable to
prevent the airbag working.
3. REMOVE INSTRUMENT PANEL FINISH PANEL SUBASSEMBLY LOWER L ...
