Toyota Sienna Service Manual: Problem symptoms table
HINT:
When a malfunction is not confirmed by a DTC (Diagnostic Trouble Code) check and the cause of problem cannot be identified through a basic inspection, troubleshoot according to the priority order indicated in the table below.
Air-fuel ratio (a/f) and heated oxygen (ho2)
sensor heater monitors (front a/f and rear ho2 sensor
type)
(a) Preconditions
The monitor will not run unless:
The MIL is OFF.
(b) Drive Pattern
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3 ...
Terminals of ecm
Sfi system
Hint:
The standard normal voltage between each pair of the
ECM terminals is shown in the table below. The
appropriate conditions for checking each pair of the
terminals are also indi ...
Other materials:
Customize parameters
1. CUSTOMIZING FUNCTION WITH INTELLIGENT
TESTER (REFERENCE)
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by
the customer are applicable or not for
customization, perform customize operations.
Be sure to record the current ...
Removal
1. Disconnect battery negative terminal
2. Remove instrument cluster finish panel
sub-assembly center
Hint:
(see page ip-9)
3. Remove transmission control cable assembly
(a) Remove the nut from the control shaft lever.
(b) Disconnect the transmission control cable assembly
from the con ...
Gateway ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Gateway ECU
Communication Stop
Mode
"Gateway" is not displayed on the "Communication
Bus Check" screen of the intelligent tester
Applies to "Gateway ECU Communication ...
