Toyota Sienna Service Manual: Problem symptoms table
HINT: Inspect the fuse and relay before investigating the suspected areas shown in the table below.
WIRELESS DOOR LOCK CONTROL SYSTEM:
Customize parameters
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function,
first make sure that customization of the function(s) is
possible.
Be su ...
Terminals of ECU
1. INSTRUMENT PANEL JUNCTION BLOCK
(MULTIPLEX NETWORK BODY ECU)
Disconnect the B6, B7 and B9 ECU connectors.
Disconnect the 1A, 1C, 1K, 1L and 1P J/B
connectors.
Check the vol ...
Other materials:
Inspection
1. INSPECT SEAT HEATER SWITCH LH
Measure the resistance of the seat heater switch
when the switch is operated.
Resistance
If the result is not as specified, replace the switch.
HINT:
As the dial is being turned, the resistance changes
gradually.
Push the seat h ...
Engine Coolant Temperature / Intake Air Temperature Correlation
DESCRIPTION
The ECM calculates the difference between the readings of the coolant
temperature sensor and intake air
temperature sensor. If the difference is greater than 20°C (68°F), the ECM will
judge this as a malfunction
and will set this DTC.
HINT:
Waiting is required t ...
Short to GND in Curtain Shield Squib RH Circuit
DTC B1162/81 Short to GND in Curtain Shield Squib RH Circuit
DESCRIPTION
The curtain shield squib RH circuit consists of the center airbag sensor
assembly and the curtain shield
airbag assembly RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1162/81 is ...
