Toyota Sienna Service Manual: Exhaust pipe (for 4wd)
Components
Installation
1. Install heated oxygen sensor (for bank 2
sensor 2) (see page ec-34)
2. Install front exhaust pipe assembly
(a) Install 2 new gaskets to the front exhaust pipe
assembly.
(b) Install the front ...
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) Discon ...
Other materials:
Tachometer Malfunction
DESCRIPTION
The meter CPU receives the engine revolution signal from the ECM via the
direct lines. The meter CPU
displays engine revolution data that is calculated based on the data received
from the ECM.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
...
Front Airbag Sensor LH Circuit Malfunction
DTC B1149/37 Front Airbag Sensor LH Circuit Malfunction
DESCRIPTION
The front airbag sensor LH circuit consists of the center airbag sensor
assembly and front airbag sensor
LH.
If the center airbag sensor assembly receives signals from the front airbag
sensor LH, it judges whether or
not ...
Inspection
1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
Resistance inspection
Using an ohmmeter, measure the resistance
between the terminals.
Resistance:
6.9 to 7.9 Ω at 20C (68F)
If necessary, replace the camshaft timing oil
control valve assembly.
&nbs ...
