System Description

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

METER GAUGE AND WARNING/INDICATOR

GAUGE:

GAUGE SYSTEM DESCRIPTION

Item	Signal Description
Speedometer (3MZ-FE)	Based on a signal received from the wheel speed sensor, the ABS & TRACTION actuator calculates vehicle speed and transmits the data to the meter.
Speedometer (2AZ-FE)	Vehicle speed sensor
Tachometer	ECM transmits engine speed to the meter to display.
ODO/TRIP Meter	Combination meter assy
Fuel	Displays a fuel level receiving a signal from the fuel sender gauge (Direct line).
Water Temperature (3MZ-FE)	Displays water temperature receiving a signal from the ECM (BEAN).
Water Temperature (2AZ-FE)	Displays water temperature receiving a signal from the ECM (Direct line).

WARNING/INDICATOR:

WARNING/INDICATOR SYSTEM DESCRIPTION

Item	Signal Description
TURN	Turn signal switch is ON.
BEAM	Displays receiving a signal from the body ECU (Direct line).
CHARGE	Receives the malfunction signal from the alternator.
OIL PRESSURE	Warning is displayed when the oil pressure is low (The pressure switch is ON).
CHECK ENGINE	Receives the malfunction signal from the ECM.
DOOR	Open door indicator comes on receiving a signal from the body ECU (Direct line).
SEAT BELT	Driver's seat belt buckle switch is OFF (Unfastened).
BRAKE	Displays when the parking brake switch is ON or the brake fluid level warning switch is ON.
TIRE PRESSURE	Receives the low tire pressure signal from the ABS & TRACTION actuator (VSC) or brake actuator (ABS).
MAINT (Blinks)	Blinks when running 4,500 miles after ODO/TRIP switch is set.
MAINT (Comes on)	Comes on when running 5,000 miles after ODO/TRIP switch is set.
CRUISE	Receives the malfunction signal from the ECM.
AIRBAG	Receives the malfunction signal from the airbag ECU.
FUEL	Receives the fuel empty signal from the fuel sender gauge.
A/T P (3MZ-FE)	Receives the P signal from the ECM (BEAN).
A/T R (3MZ-FE)	Receives the R signal from the ECM (BEAN).
A/T N (3MZ-FE)	Receives the N signal from the ECM (BEAN).
A/T D (3MZ-FE)	Receives the D signal from the ECM (BEAN).
A/T S (3MZ-FE)	Receives the S signal from the ECM (BEAN).
A/T P (2AZ-FE)	Receives the P signal from the neutral start switch (Direct line).
A/T R (2AZ-FE)	Receives the R signal from the neutral start switch (Direct line).
A/T N (2AZ-FE)	Receives the N signal from the neutral start switch (Direct line).
A/T D (2AZ-FE)	Receives the D signal from the neutral start switch (Direct line).
A/T S (2AZ-FE)	Receives the S signal from the neutral start switch (Direct line).
SLIP (3MZ-FE)	Receives the malfunction signal from the skid control ECU.
TRAC OFF (3MZ-FE)	Receives the malfunction signal from the skid control ECU.
VSC (3MZ-FE)	Receives the malfunction signal from the skid control ECU.
WASHER LEVEL	Washer level warning switch is ON.

BUZZER:

BUZZER SYSTEM DESCRIPTION

Item	Signal Description
Key Reminder	Buzzer is ON: Ignition switch is OFF, key is inserted, and door is open.
Fasten Belt	Buzzer is ON: Ignition switch is ON and seat belt is unfastened.
Manual Shift Rejection (3MZ-FE)	Buzzer is ON: When driver request a gear that is not safe to shift into.

THE COMBINATION METER IN CAMRY SOLARA HAS THE FOLLOWING FEATURES:
1. Built-in buzzer for the reminder system (light, key, and seat belt)
2. Integrated rheostat, trip and odometer knobs.
  - Rotate knob to adjust interior illumination.
  - Press and release knob to scroll through trip "A", trip "B", and odometer features.
  - Press and hold the trip knob to reset trip meter functions.
3. Oil maintenance indicator
  - 4,500 miles after ODO/TRIP switch is set, the maintenance indicator begins to blink for 15 seconds after the ignition switch is turned to the ON position.
  - 5,000 miles after ODO/TRIP switch is set, the maintenance indicator comes on.
  - Press and hold the trip knob to reset the oil maintenance indicator.
4. Clock (Multifunction display)
  - The following are the features: Instant fuel consumption, Average fuel consumption, Distance to empty, Average speed, Elapsed time, Clock, Outside temperature
  - Press "H" and "M" buttons at the same time (within 240 ms of each other) to switch between Fahrenheit and Celsius.
  - Press and release the "DISP" switch on the steering wheel to scroll through trip computer functions.
  - Press and hold the "DISP" switch on the steering wheel for 0.6 seconds or more to reset the stored values.