Mazda CX-5 Service & Repair Manual: Clock Input/Output Check Mode

Item

Check content

All LCD illuminated

LCD indication

Check code 1

MS-CAN BUS OFF occurrence

Check code 2

Communication between instrument cluster

Check code 6

Ignition switch ON/OFF signal

Inspection

Display

Action

• Activate the clock input/output check mode.

• Are all segments and dots on the LCD illuminated?

Yes

LCD display is normal.

No

Replace the clock.

(See CLOCK INSPECTION.)

Inspection procedure

Display

Action

• Press the H button to display check code 1.

• Verify the screen display.

There is no MS-CAN BUS OFF error (normal)

There is an MS-CAN BUS OFF error (malfunction)

Perform the malfunction diagnosis for the MS-CAN referring to the following:

(See FOREWORD.)

Inspection procedure

Display

Action

• Press the H button to display check code 2.

• Verify the screen display.

There is no communication error between the instrument cluster.

There is a communication error between the instrument cluster.

Perform the malfunction diagnosis for the MS-CAN referring to the following:

(See FOREWORD.)

Inspection procedure

Display

Action

Step 1

• Press the H button to display check code 6.

• Switch the ignition ON (engine off or on).

• Verify the screen display.

Go to the next step.

Refer to the clock inspection and verify the terminal voltage at clock terminal A.

.

• Replace the clock if the voltage is B+.

  (See CLOCK REMOVAL/INSTALLATION.)

• Inspect the following parts if the voltage is 1.0 V or less.

• METER1 10 A fuse

• IG relay

• Related wiring harness

Step 2

• Switch the ignition off (LOCK).

• Verify the screen display.

Ignition switch ON/OFF signal is normal.

Refer to the clock inspection and verify the terminal voltage at clock terminal A.

.

• Replace the clock if the voltage is 1.0 V or more.

  (See CLOCK REMOVAL/INSTALLATION.)

• Inspect the following parts if the voltage is B+.

• METER1 10 A fuse

• IG relay

• Related wiring harness