Jaguar XJ (X350). Manual — part 209

G531320t23 : CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE
SWITCH

1.

Electric parking brake switch (TL82) connector disconnected. 2. Measure the resistance between:

CR32 connector, harness side

Vehicle battery

Electric parking brake switch apply 2 - signal - Pin 02 Negative terminal

•

Is the resistance greater than 100 Kohms?

-> Yes

INSTALL a new EPB switch.

Parking Brake Switch (70.35.46)

-> No

REPAIR the short circuit. For additional information, refer to the wiring diagrams.

PINPOINT TEST G531320p7 :
SECONDARY APPLY HARNESS SHORT
CIRCUIT TO BATTERY OR OPEN
CIRCUIT

G531320t31 : CHECK THE PRIMARY APPLY SIGNAL CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Key off. 2.

Electric parking brake module connector 1 (CR50) disconnected. 3.

Electric parking brake module connector 2 (CR32) disconnected. 4. Key on, engine off. 5. Measure the

resistance between:

CR50 connector, harness side

Vehicle battery

Electric parking brake switch apply 1 - signal - Pin 10 Positive terminal

•

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test

G531320t32

.

-> No

GO to Pinpoint Test

G531320t38

.

G531320t32 : CHECK THE PRIMARY RELEASE SIGNAL CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

CR50 connector, harness side

Vehicle battery

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Electric parking brake switch release 1 - signal - Pin 11 Positive terminal

•

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test

G531320t33

.

-> No

GO to Pinpoint Test

G531320t39

.

G531320t33 : CHECK THE SECONDARY APPLY SIGNAL CIRCUIT FOR SHORT
CIRCUIT TO POWER

1. Measure the resistance between:

CR32 connector, harness side

Vehicle battery

Electric parking brake switch apply 2 - signal - Pin 02 Positive terminal

•

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test

G531320t34

.

-> No

GO to Pinpoint Test

G531320t40

.

G531320t34 : CHECK THE SECONDARY RELEASE SIGNAL CIRCUIT FOR
SHORT CIRCUIT TO POWER

1. Measure the resistance between:

CR32 connector, harness side

Vehicle battery

Electric parking brake switch release 2 - signal - Pin 14 Positive terminal

•

Is the resistance greater than 100 Kohms?

-> Yes

GO to Pinpoint Test

G531320t35

.

-> No

GO to Pinpoint Test

G531320t41

.

G531320t35 : CHECK THE SECONDARY APPLY SIGNAL CIRCUIT FOR OPEN
CIRCUIT

1.

Electric parking brake switch (TL82) connector disconnected. 2. Measure the resistance between:

CR32 connector, harness side

TL82 connector, harness side

Electric parking brake switch apply 2 - signal - Pin

02

Electric parking brake switch apply 2 - signal - Pin

07

•

Is the resistance less than 10 ohms?

-> Yes

GO to Pinpoint Test

G531320t36

.

-> No

REPAIR the open circuit. For additional information, refer to the wiring diagrams.

G531320t36 : CHECK THE SWITCH RETURN SIGNAL CIRCUIT FOR OPEN
CIRCUIT

1. Measure the resistance between:

CR32 connector, harness side

TL82 connector, harness side

Electric parking brake switch - switch return - Pin

06

Electric parking brake switch - switch return - Pin

06

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