Toyota Sienna Service Manual: Combination Meter ECU Communication Stop
DTC B1271 Combination Meter ECU Communication Stop
DESCRIPTION
DTC B1271 is output when communication between the combination meter and the multiplex network gateway ECU stops for more than 10 seconds.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|
B1271 |
Combination meter communication stops |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (COMBINATION METER - BATTERY)
- Disconnect the C10 connector.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
2 CHECK HARNESS AND CONNECTOR (COMBINATION METER - GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard resistance
3 CHECK COMMUNICATION LINE
- Disconnect the A9 and G4 connectors.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
HINT:
*1: for Automatic A/C
*2: for Manual A/C
Result
REPLACE COMBINATION METER
A/C ECU Communication Stop
DTC B1262 A/C ECU Communication Stop
DESCRIPTION
DTC B1262 is output when communication between the A/C amplifier and the
multiplex network gateway
ECU stops for more than 10 seconds.
...
Power Seat ECU Communication Stop
DTC B1272 Power Seat ECU Communication Stop
DESCRIPTION
This DTC is detected when communication between the seat position control ECU
and the multiplex
network gateway ECU stops for more than 10 ...
Other materials:
DSP Error
DTC 63-78 DSP Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
63-78
An error occurs during the decode process (MP3 /
WMA).
-
INSPECTION PROCEDURE
HINT:
After the inspection completed, clear the DTCs.
NOTICE:
This ...
Inspection
1. V
(a) Inspect VSV operation.
(1) Using an ohmmeter, measure the resistance
according to the value(s) in the table below.V
Standard resistance
If the result is not as specified, replace the
vsv.
(B) inspect the vsv for ground.
(1) Using an ohmmeter, measure the resistance
accordin ...
Camshaft Position "B" - Timing Over-Advanced
DTC P0014 Camshaft Position "B" - Timing Over-Advanced
or System Performance (Bank 1)
DTC P0015 Camshaft Position "B" - Timing Over-Retarded
(Bank 1)
DTC P0024 Camshaft Position "B" - Timing Over-Advanced
or System Performance (Bank 2)
DTC P0025 Camshaft Position ...
