Toyota Sienna Service Manual: Removal
1. Remove windshield wiper motor assembly hint: (see page ww-4) 2. Remove front outer cowl top panel subassembly (see page em-27) 3. Drain engine coolant (see page co-6) 4. Remove v-bank cover sub-assembly (see page em-28) 5. Remove no. 2 Air cleaner inlet (see page em- 28) 6. Remove no. 1 Air cleaner inlet (see page em- 28) 7. Remove air cleaner cap sub-assembly
(A) disconnect the 3 vacuum hoses.
(b) Remove the No. 2 ventilation hose and air cleaner hose band.
(c) Disconnect the vacuum hose (EVAP) from the air cleaner hose.
(d) Disconnect the mass air flow meter connector.
(e) Remove the 2 bolts and air cleaner cap subassembly.
8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See page EM-28)
9. REMOVE THROTTLE BODY
(a) Disconnect the throttle body connector and clamp.
(b) Disconnect the 2 water by-pass hoses from the throttle body.
(c) Remove the 4 bolts and throttle body.
(d) Remove the throttle body gasket from the intake air surge tank.
INSPECTION
1. INSPECT THROTTLE BODY
(a) Using an ohmmeter, measure the resistance between the terminals.
Standard resistance
If the result is not as specified, replace the throttle body assembly.
On-vehicle inspection
1. INSPECT THROTTLE BODY
(a) Listen to the throttle control motor operating sounds.
(1) Turn the ignition switch to the ON position.
(2) When pressing the accelerator pedal position
sensor lever ...
Installation
1. INSTALL THROTTLE BODY
(a) Install a new throttle body gasket to the intake air
surge tank.
(b) Install the throttle body with the 4 bolts.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
...
Other materials:
Dtc check / clear
1. DTC CHECK (NORMAL MODE)
NOTICE:
When the diagnostic system is switched from the
normal mode to the check mode, all the DTCs and
freeze frame data recorded in the normal mode will
be erased. So before switching modes, always check
the DTCs and freeze frame data, and note the ...
Occupant Classification ECU Malfunction
DTC B1795 Occupant Classification ECU Malfunction
DESCRIPTION
DTC B1795 is recorded when a malfunction is detected in the occupant
classification ECU.
Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output
simultaneously.
DTC No.
DTC Detecting Condition
...
Data list / active test
1. DATA LIST
HINT:
Reading the DATA LIST displayed on an intelligent tester
enables values, including those of the switches, sensors,
and actuators, to be checked without removing any
parts. Reading the DATA LIST as the first step in
troubleshooting is one method to shorten diagnostic
time.
...
