Toyota Sienna 2010-2020 Owners Manual: Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emission control system. Your vehicle may not pass the I/M test and may need to be repaired. Contact your Toyota dealer to service the vehicle.
Your vehicle may not pass the I/M test in the following situations:
- When the battery is disconnected or discharged
Readiness codes that are set during ordinary driving are erased.
Also, depending on your driving habits, the readiness codes may not be completely set.
- When the fuel tank cap is loose The malfunction indicator lamp comes on indicating a temporary malfunction and your vehicle may not pass the I/M test.
When the malfunction indicator lamp still remains on after several driving trips
The error code in the OBD system will not be cleared unless the vehicle is driven 40 or more times
If your vehicle does not pass the I/M test
Contact your Toyota dealer to prepare the vehicle for re-testing.
Vehicle exterior
Items
Check points
Doors
Do the doors operate smoothly?
Engine hood
Does the engine hood lock system work
properly?
...
Other materials:
Disassembly
1. REMOVE MAGNETIC CLUTCH ASSEMBLY
(a) Place the compressor and magnetic clutch in a vise.
(b) Using locking pliers, hold the magnetic clutch hub.
(c) Remove the bolt, magnetic clutch hub, and
magnetic clutch washers.
HINT:
There is no set number of magnetic clutch washers
because the ...
Problem symptoms table
HINT:
Inspect the "Fuse" and "Relay" before confirming the
suspected area as shown in the table below.
DISPLAY FUNCTION:
SOUND FUNCTION:
REMOTE CONTROL FUNCTION:
*1: without Navigation System
*2: with Navigation System ...
Ignition key cylinder light
ON-VEHICLE INSPECTION
1. KEY CYLINDER LIGHT ASSEMBLY
Connect the battery positive (+) lead to the terminal
1 and the battery negative (-) lead to the terminal 2,
and check that the indicator light comes on.
2. TRANSPONDER KEY AMPLIFIER
Inspect key cylinder light o ...