Toyota Sienna Service Manual: Diagnostic trouble code chart
If a trouble code is displayed during the DTC check, check the circuit listed for that code. For details of each code, turn the page mentioned below the "DTC No" in the DTC chart.
the "DTC No" in the DTC chart.
1. TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART
TRANSPONDER KEY ECU
2. ECM DIAGNOSTIC TROUBLE CODE CHART
NOTICE: The DTC for the immobiliser system is specified above. If other codes are output, check the DTC chart for the SFI system.
ECM
- Push Switch / Key Unlock Warning Switch Malfunction
- Antenna Coil Open / Short
- Transponder Chip Malfunction
- Unmatched Encryption Code
- Unmatched Key Code
- No Communication in Immobiliser System
- Engine Immobiliser System Malfunction
Data list / active test
1. READ DATA LIST
HINT:
Using the DATA LIST displayed on the intelligent tester,
you can read the value of the switch, sensor, actuator,
etc. without parts removal. Reading the DATA LIST as
the f ...
Push Switch / Key Unlock Warning Switch Malfunction
DTC B2780 Push Switch / Key Unlock Warning Switch Malfunction
DESCRIPTION
This DTC will be output if the transponder key ECU does not detect that the
unlock warning switch is on
even when the ign ...
Other materials:
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) Clear the DTCs.
(4) Start the engine.
(5) Allow the engine to idle for 10 minutes or more.
...
On-vehicle inspection
HINT:
The type of ignition switch on this model differs according to
the specifications of the vehicle. For the expressions used in
this section, refer to the "EXPRESSIONS OF IGNITION
SWITCH" precaution (See page ES-1).
1. CHECK AIR FUEL RATIO COMPENSATION SYSTEM
(a) Connect the inte ...
Problem symptoms table
When a "Normal" code is output during a DTC check but
the problem still occurs, use the Problem Symptoms
Table. The suspected areas (circuits or parts) for each
problem symptoms are in the table. The suspected areas
are listed in order of probability. A description of each of
the char ...
