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:
Terminals of ECU
1. RADIO RECEIVER (10 SPEAKER SYSTEM)
*1: with Rear Seat Entertainment System
2. RADIO RECEIVER (6 SPEAKER SYSTEM)
*1: with Rear Seat Entertainment System
*2: without Rear Seat Entertainment System
3. STEREO COMPONENT AMPLIFIER
4. TELEVISION DISPLAY ASSEMBLY ...
Disassembly
1. REMOVE CYLINDER BOOT
(a) Using a screwdriver, remove the set ring and
cylinder boot.
2. REMOVE REAR DISC BRAKE PISTON
(a) Place a shop rug, between the rear disc brake
piston and the disc brake cylinder.
(b) Use compressed air to remove the rear disc brake
piston from the disc brak ...
Check component status
(a) Compare the test value with the minimum test limit
(MIN LIMIT) and maximum test limit (MAX LIMIT).
(b) If the test value is between the minimum test limit
and maximum test limit, the component is
functioning normally. If not, the component is
malfunctioning. The test value is usually sign ...