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Instrument Cluster (IC)




Instrument Cluster (IC)

NOTE: Hybrid shown, others similar.











The Instrument Cluster (IC) is available with either an integrated display (base cluster) or with a message center display (message center cluster). The integrated display and the message center display are 2-line, Vacuum Fluorescent (VF) type displays. Both the base cluster and the message center cluster contain gauges, informational indicators, and warning indicators that are designed to provide the driver with a system status and to alert the driver that certain conditions exist in the vehicle.

The IC uses both hardwired inputs and messaged inputs to control the gauge and indicator outputs. Other systems that use IC inputs are the Passive Anti-Theft System (PATS) and stability/traction control. For additional information on PATS, refer to Antitheft and Alarm Systems. For additional information on the stability/traction control system, refer to Antilock Brakes / Traction Control Systems.

MyKey(TM)

The MyKey(TM) feature allows the customer to program a restricted driving mode that is tied to one or more keys known as a MyKey(TM). When a MyKey(TM) is in use, the IC provides the following functions:

- At beginning of vehicle start up, as part of the welcome strategy, the message center greets the MyKey(TM) driver with MyKey(TM) ACTIVE DRIVE SAFELY displayed in the message center. If the MyKey(TM) speed limiter feature is turned on, the message center also displays SPEED LIMITED TO 80 MPH (or 130 km/h).
- The IC continuously provides a periodical Belt-Minder(R) warning chime until the driver and passenger safety belts are buckled. When the Belt-Minder(R) is issued, the ACM is muted and the message center displays BUCKLE UP TO UNMUTE RADIO.
- If the MyKey(TM) speed limiter feature is turned on and the vehicle speed approaches 130 km/h (80 mph), the message center displays VEHICLE SPEED 80 MPH MAX along with a chime.
- If the MyKey(TM) speed limiter feature is turned on and the vehicle speed approaches 120 km/h (75 mph), the message center displays VEHICLE NEAR TOP SPEED along with a chime.
- If the speed warning is selected at one of the pre-set values (75, 90, 105 km/h [45, 55, 65 mph]) and the vehicle approaches the pre-set speed, the message center displays CHECK SPEED DRIVE SAFELY along with a chime.
- If the traction control always on feature is turned on and the MyKey(TM) driver presses the traction control switch to disable traction control, the message center displays ADVTRAC ON MyKey(TM) SETTING.
- At 120 km (75 miles) to empty, the IC illuminates the low fuel indicator (if equipped) and the message center displays 75 MILES TO EMPTY along with a chime
- MyKey(TM) mileages driven by the MyKey(TM) user can be found in the INFO display and in the system check function of the message center.
- The number of MyKey(TM) programmed and admin keys can be found in the system check function of the message center.
- The parking aid, Blind Spot Information System (BLIS(TM)) with Cross Traffic Alert (CTA) (if equipped) and collision avoidance (if equipped) warning menus are disabled in the message center to force these features always on.

When an admin key is in use, the IC provides the following functions:

- The message center provides a menu that guides the user to create a MyKey(TM). When the maximum MyKey(TM) limit is reached, the MyKey(TM) creation menu is no longer available.
- The message center provides menus for setting 4 optional MyKey(TM) features:
- MyKey(TM) 80 MPH speed limiter
- MyKey(TM) pre-selected speed warning
- MyKey(TM) radio volume limiter
- AdvanceTrac(R) on/off

- The message center provides a menu to clear all MyKey(TM) programmed keys at once.
- MyKey(TM) mileages driven by the MyKey(TM) user can be found in system check function of the message center.
- The number of MyKey(TM) and admin keys can be found in the system check function of the message center.

Refer to Antitheft and Alarm Systems for additional information on the MyKey(TM) features.

Welcome Strategy

The IC provides a setup mode also known as a welcome strategy. When the vehicle receives a Remote Keyless Entry (RKE) request. The IC illuminates the backlighting to the last dimming level. When the ignition is placed in the RUN or START position, the IC begins its prove-out stage.

During the prove-out stage, the IC sweeps all the gauges then zeros the gauges while illuminating all LED indicators for a predetermined length of time.

Messaged Inputs

Module messaging has increased over time and is slowly becoming the standard for sending and receiving information required to operate the IC. The IC is a gateway module. As a gateway module, the IC receives and sends information to other modules over both the High Speed Controller Area Network (HS-CAN) and the Medium Speed Controller Area Network (MS-CAN) that may not necessarily be used for IC gauge or indicator outputs.

For additional information and a complete list of all module messages along with the message origination sources, refer to Information Bus.

Some of the system status and information messages that the IC requires from other modules to operate the gauges and indicators are as follows:

- Vehicle speed
- Engine rpm
- Engine Coolant Temperature (ECT)
- ABS
- Stability/traction control status
- Four-Wheel Drive (4WD)
- Odometer rolling count
- TPMS
- Supplemental Restraint System (SRS)
- Brake fluid level
- Parking brake status
- Electronic Throttle Control (ETC)

Hardwired Inputs

The IC requires hardwired inputs from components that are not hardwired to other modules and, therefore, are not on either the High Speed Controller Area Network (HS-CAN) or the Medium Speed Controller Area Network (MS-CAN) but are required for specific IC functions or gateway requirements. The hardwired inputs are provided by the following components:

- Fuel pump module
- PATS transceiver
- Engine oil pressure switch
- Auto-dimming interior mirror
- Message center switch

Gauges

Gauges provide information to the driver indicating the status of systems. The available gauges are:

- Battery charge (hybrid)
- Fuel
- Speedometer
- Tachometer
- Temperature (non-hybrid)

Informational Indicators

Informational indicators provide information to the driver of conditions that exist in the vehicle. The systems that use informational indicators are:

- Anti-theft
- Check fuel cap (base cluster only)
- High beam
- Low fuel
- Grade assist (non-hybrid)
- Ready light (hybrid)
- RH/LH turn
- Cruise control
- Stability/traction control

Warning Indicators

Warning indicator lamps provide information to the driver of conditions that could potentially cause personal injury or alter vehicle performance.

- Air bag
- ABS
- Brake
- Charging system
- Door ajar
- Hazard (hybrid)
- Low oil pressure
- MIL
- Over-temperature (hybrid)
- Safety belt
- TPMS
- Powertrain malfunction (wrench)