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Mazda CX-5 Service & Repair Manual: Start Stop Unit Inspection

Mazda CX-5 Service & Repair Manual / Engine / Control / Start Stop Unit Inspection

1. Remove the following parts:

a. Column cover.

2. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference).

Terminal Voltage Table (Reference)



Terminal

Signal name

Connected to

Measurement conditions

Voltage (V)

Inspection item(s)

1A

Power supply

ROOM 15 A fuse

Under any condition

B+

  • ROOM 15 A fuse

  • Battery

1B

Power supply

IG1 15 A fuse

Ignition switched ON (engine off)

B+

  • IG1 15 A fuse

  • Battery

Ignition switched OFF (LOCK) or at ACC

1.0 or less

1C*1

Brake switch

Brake switch

Brake pedal depressed

B+

Brake switch

Brake pedal not depressed

1.0 or less

1D

Starter monitor (MTX)

Starter relay

Ignition switched ON (engine off)

Clutch pedal not depressed

B+

  • Starter relay

  • Battery

Clutch pedal depressed

1.0 or less

Starter monitor (ATX)

Starter relay

Ignition switched ON (engine off)

Other than selector lever is in P or N position

B+

  • Starter relay

  • Battery

Selector lever is in P or N position

1.0 or less

1E

ACC monitor

MIRROR 7.5 A fuse

Switch the ignition to ACC or ON (engine off)

B+

  • MIRROR 7.5 A fuse

  • Battery

Ignition switched OFF (LOCK)

1.0 or less

1F

Starter interlock switch (MTX)

Starter interlock switch

Clutch pedal not depressed

B+

Starter interlock switch

Clutch pedal depressed

1.0 or less

Selector lever position switch (ATX)

TCM

Other than selector lever is in P or N position

B+

TCM

Selector lever is in P or N position

1.0 or less

1G

Hazard warning switch signal

Hazard warning switch

Hazard warning switch not pressed (OFF)

B+

  • MIRROR 7.5 A fuse

  • Battery

Hazard warning switch pressed (ON)

1.0 or less

1H

Push button start 1

Push button start

Push button start pressed

1.0 or less

Push button start

Push button start not pressed

B+

1I

Push button illumination

Push button start

Determination using terminal voltage inspection is not possible.

Push button start

1J*1

P position

Not P position switch

Selector lever is in P position

B+

Not P position switch

Except above

1.0 or less

1K

Push button illumination (green)

Push button start

Engine starting conditions are met

1.0 or less

Push button start

Except above

B+

1M

Push button illumination (amber)

Push button start

Ignition switched to ACC or ON (engine off)

1.0 or less

Push button start

Except above

B+

1P

Lock input

Door lock-link switch (driver's door)

Driver's door locked

1.0 or less

Door lock-link switch (driver's door)

Driver's door unlocked

Approx. 5

1Q

Rear body control module (RBCM) communication

Rear body control module (RBCM)

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

1S*5

Steering angle sensor power supply

Steering angle sensor

The specified time has elapsed since key placed outside vehicle and all doors locked

1.0 or less

Steering angle sensor

Except above

Approx. 5

1T*5

Steering angle sensor ground

Steering angle sensor

Under any condition

1.0 or less

Steering angle sensor

1U*5

Steering angle sensor (signal A/D1)

Steering angle sensor

Steering wheel is turned to left and right

4.00—4.75?0.25—0.75

Steering angle sensor

1V

Windshield wiper switch signal (LO)

Front body control module (FBCM)

Ignition switch ON (engine off or on)

Other than windshield wiper switch at LO and HI

B+

Front body control module (FBCM)

Windshield wiper switch at LO

1.0 or less

1W*5

Steering angle sensor (signal A/D1)

Steering angle sensor

Steering wheel is turned to left and right

4.00—4.75?0.25—0.75

Steering angle sensor

1X

Headlight switch signal (LO)

Front body control module (FBCM)

Light switch at position other than HEAD and passing

B+

Front body control module (FBCM)

Light switch at HEAD position

1.0 or less

1Y

Cruise control switch signal

Cruise control switch

RESUME switch is pressed

Approx. 1.5

Cruise control switch

CANCEL switch is pressed

1.0 or less

ON switch is pressed

Approx. 1.9

OFF switch is pressed

1.0 or less

SET (+) switch is pressed

SET (-) switch is pressed

Except above

Approx. 3.6

1Z

Cruise control switch ground

Cruise control switch

Under any condition

1.0 or less

Cruise control switch

1AA

Steering switch signal

Steering switch

Up switch is pressed

1.0 or less

Steering switch

Down switch is pressed

Approx. 1.2

INFO button is pressed

Approx. 2.2

Except above

Approx. 3.3

1AB

Steering switch ground

Steering switch

Under any condition

1.0 or less

Steering switch

1AC

PATS+

Coil antenna (push button start)

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

1AE

PATS-

Coil antenna (push button start)

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

1AF

GROUND

Body ground

Under any condition

1.0 or less

Body ground

2A

GROUND

Body ground

Under any condition

1.0 or less

Body ground

2B

GROUND

Body ground

Under any condition

1.0 or less

Body ground

2C

ACC relay control

ACC relay

Switch the ignition to ACC or ON (engine off or on)

B+

ACC relay

Ignition switched OFF (LOCK)

1.0 or less

2D

IG2 relay control

Front body control module (FBCM)

Ignition switched ON (engine off)

B+

Front body control module (FBCM)

Ignition switched OFF (LOCK) or at ACC

1.0 or less

2E*2

CPP switch

CPP switch

Clutch pedal not depressed

B+

CPP switch

Clutch pedal depressed

1.0 or less

2F*3

LF control unit communication

LF control unit

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

2G*1

Shift lock

Shift lock solenoid

Ignition switch ON (engine off or on)

Selector lever at position except P

B+

Shift lock solenoid

Selector lever at P position and brake pedal depressed

1.0 or less

2H*3

LF control unit communication

LF control unit

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

2I*4

Keyless antenna (inside vehicle, center)

Keyless antenna (inside vehicle, center)

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

2J

Push button start 2

Push button start

Push button start pressed

1.0 or less

Push button start

Push button start not pressed

B+

2K*4

Keyless antenna (inside vehicle, center)

Keyless antenna (inside vehicle, center)

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

2L*4

GROUND

Shield ground

Under any condition

1.0 or less

Body ground

2M

HS-CAN+

-

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

2O

HS-CAN-

-

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

2Q

Keyless receiver power supply

Keyless receiver

Under any condition

Approx. 5

Keyless receiver

2R

Keyless receiver communication

Keyless receiver

Because this terminal is for communication, determination using terminal voltage inspection is not possible.

2S

IG1 relay control

IG1 relay

Ignition switched ON (engine off)

B+

IG1 relay

Ignition switched OFF (LOCK) or at ACC

1.0 or less

2V

Starter relay

Starter relay

When cranking

B+

Starter relay

Except above

1.0 or less

2W

Power supply

AT 15 A fuse

Under any condition

B+

  • AT 15 A fuse

  • Battery


*1 ATX

*2 MTX

*3 With advanced keyless system

*4 Without advanced keyless system

*5 With steering angle sensor

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