Toyota Sienna Service Manual: Removal
1. Disconnect cable from negative battery terminal
2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (See page EC-32)
3. REMOVE TAIL EXHAUST PIPE ASSEMBLY
(a) Remove the 2 bolts.
(b) Disconnect the 3 exhaust pipe supports and remove the tail exhaust pipe assembly.
(c) Remove the gasket from the center exhaust pipe assembly.
4. REMOVE CENTER EXHAUST PIPE ASSEMBLY
(a) Remove the 2 bolts and 2 compression springs.
(b) Disconnect the 2 exhaust pipe supports and remove the center exhaust pipe assembly
(c) Remove the gasket from the front exhaust pipe assembly.
5. REMOVE FRONT EXHAUST PIPE ASSEMBLY
(a) Disconnect the heated oxygen sensor (for bank 2 sensor 2) connector.
(b) Remove the 6 nuts and front exhaust pipe assembly.
(c) Remove the 2 gaskets from the front exhaust pipe assembly.
6. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET
(a) Remove the bolt and No. 1 exhaust pipe support bracket.
7. REMOVE HEATED OXYGEN SENSOR (for Bank 2 Sensor 2) (See page EC-33)
Exhaust pipe (for 2wd)
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 ...
Other materials:
Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance
Problem
HINT:
This DTC relates to the Throttle Position (TP) sensor.
DESCRIPTION
Refer to DTC P0120 (See page ES-145).
MONITOR DESCRIPTION
The ECM uses the TP sensor to monitor the throttle valve opening angle.
This sensor transmits two signals: VTA1 and VTA2. VTA1 is used to detect the
th ...
Things you should know
If you notice any symptoms
If you notice any of the following symptoms, refer to the likely cause
and the solution, and re-check.
If the symptom is not resolved by the solution, have the vehicle
inspected by your Toyota dealer.
Likely cause
Solution
The ima ...
Check for open circuit
(a) For an open circuit in the wire harness in Fig. 1, the resistance or
voltage, as described below.
(b) Check the resistance.
Check the resistance
Standard resistance (Fig. 2)
HINT:
Measure the resistance while lightly shaking the
wire harness vertically and horizontally. I ...
