Toyota Sienna Service Manual: Diagnosis system
1. CHECK DLC3
- The vehicle uses ISO 15765-4 communication
protocol.
The terminal arrangement of the DLC3 complies with SAE 1962 and matched the ISO 15765-4 format.
If the result is not as specified, the DLC3 may have a malfunction. Repair or replace the harness and connector.
Terminals of ECU
1. FOLD SEAT CONTROL ECU LH
Disconnect the fold seat control ECU connectors.
Measure the voltage and resistance of the wire
harness side connectors.
If the result is not as specifie ...
On-vehicle inspection
1. CHECK POWER REAR NO. 2 SEAT with STOWING FUNCTION
Check the basic functions.
Operate the fold seat switch and power rear
No.2 seat switch and check to make sure each
seat ...
Other materials:
CD Abnormal/ Excess Current/ Tray Insertion / Ejection Error
DTC 63-44 CD Abnormal
DTC 63-48 Excess Current
DTC 63-50 Tray Insertion / Ejection Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
63-44
Operation error in the CD mechanism
Radio and navigation assembly
63-48
Excess current is pr ...
Removal
1. REMOVE EXHAUST PIPE ASSEMBLY
(a) Remove exhaust pipe assembly (See page EX-8).
2. REMOVE PROPELLER W/CENTER BEARING SHAFT ASSEMBLY
(a) Depress the brake pedal and hold it down.
(b) Using a hexagon wrench (6 mm), loosen the cross
groove joint set bolts a half turn.
HINT:
Place a cloth ...
Front No. 2 speaker
COMPONENTS
ON-VEHICLE INSPECTION
1. INSPECT FRONT NO.2 SPEAKER
HINT:
Remove interior parts so that the front No.2 speaker can
be seen.
Check the speaker installation.
OK:
The speaker is securely installed.
If the result is not as specified, reinstall the front
No.2 speak ...
