Toyota Sienna Service Manual: Combination meter

Meter Illumination does not Dim at Night

DESCRIPTION  Confirm that the vehicle is equipped with the optitron meter, then check this circuit.  The combination meter assembly receives a auto dimmer signal from the body EC ...

Removal

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working. 2. REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY ...

Other materials:

Removal
1. DISCONNECT BATTERY NEGATIVE TERMINAL 2. REMOVE FRONT DOOR SCUFF PLATE LH HINT: (See page IP-6) 3. REMOVE FRONT DOOR SCUFF PLATE RH HINT: (See page IP-6) 4. REMOVE COWL SIDE TRIM BOARD LH HINT: (See page IP-6) 5. REMOVE COWL SIDE TRIM BOARD RH HINT: (See page IP-6) 6. REMOVE INSTRUMEN ...

Mass or Volume Air Flow Circuit
DESCRIPTION The Mass Air Flow (MAF) meter is a sensor that measures the amount of air flowing through the throttle valve. The ECM uses this information to determine the fuel injection time and to provide appropriate airfuel ratio. Inside the MAF meter, there is a heated platinum wire whic ...

Precaution
1. HANDLING PRECAUTION FOR CRUISE CONTROL SYSTEM  Turn the cruise control main switch off when not using the cruise control system.  Be careful as the vehicle speed increases when driving downhill with the cruise control system on.  The + (ACCEL)/RES (RESUME) operation ch ...