Scheme 1
Scheme 2
TECHNICAL DESCRIPTION (COMMENT)
If the odometer and tripmeter do not display or no needle meters work, the power supply to the combination meter, or the combination meter itself may have a problem.
If only the speedometer does not operate, the ASC-ECU and combination meter may have a problem.
If only the tachometer does not operate, the ignition signal from the engine ECU may not be received or the combination meter may have a problem.
When the following signals are received via the CAN communication, the combination meter sounds the incorporated tone alarm according to the each pattern.
Keyless Operation Key Reminder Tone Alarm Function (Vehicles With KOS)
- Ignition switch OFF signal
- IG knob push switch ON signal
- Driver's door switch ON signal
Meter Information Switch Operation Tone Alarm
- ON signal for combination meter information switch
Turn-signal light tone alarm function
- Turn-signal light switch ON signal
Paddle Shift Cancel Tone Alarm, Theft-Alarm Function, ETACS-ECU Function Customize Tone Alarm, A/C Operation Tone Alarm, Audio Operation Tone Alarm
- Sounding request signal from the ETACS-ECU If the tone alarm does not sound normally, the connector(s) and wiring harness in the CAN bus lines, or each ECU or the combination meter may have a problem.
When the signal from each ECU is received via the CAN communication, the combination meter illuminates the corresponding display light or warning light, or has the multi information display to display corresponding information.
If the lights do not illuminate or the multi information display does not display normally, the wiring harness and connector(s) in the CAN bus lines, or the each ECU or the combination meter may have a problem.
Inspection Procedure 6: The Multi Information Display Screen Cannot Be Changed With The Operation Of The Meter Information Switch
| CAUTION | Before replacing the combination meter, be sure to check that the power supply circuit, ground circuit, and communication circuit are normal. |
Scheme 3
When the signal from the meter information switch is received, the combination meter switches the multi information display screen. If the multi information display screen does not switch normally, the meter information switch, wiring harness, connector(s), or combination meter may have a problem.
HOW TO SET BY SPECIAL OPERATION OF SWITCH
By operating the meter information switch of the combination meter, the service reminder warning cancellation and the schedule setting can be performed.