Volkswagen Golf / Golf GTI / Jetta. Manual — part 377

01-184

- Press

key.

Output Diagnosic Test Mode

-

Release brakes

Indicated on display

- Remove foot from brake pedal.

- Press

key.

Output Diagnosic Test Mode

-

Operate brakes

Indicated on display

- Operate brake pedal.

- Press

key.

Output Diagnosic Test Mode

-

IRR: 0V ORR: 0V

Wheel RR locked

Indicated on display

Note:

If the wheel does not lock, there is a
possibility that there is a malfunction
in the mechanical/hydraulic part of
the brake system.

- Indicate to 2nd mechanic which

wheel requires turning by hand.

On Board Diagnostic (OBD), performing

01-185

- Press

key.

Output Diagnosic Test Mode

-

IRR: VBAT ORR: 0V

Wheel RR locked

Indicated on display

ABS hydraulic pump -V64- must
run.

Brake pedal must not give

If the brake pedal gives, there is a
malfunction in the hydraulic unit. In
this case the hydraulic unit must be
replaced.

Repair Manual, Brake System,

Repair Group 45

- Press

key.

Output Diagnosic Test Mode

-

IRR: VBAT ORR: VBAT

Wheel RR free

Indicated on display

Note:

If the wheel locks there is a
possibility that the brake lines to the
wheel calipers/cylinders have been
interchanged.

- Indicate to 2nd mechanic which

wheel requires turning by hand.

On Board Diagnostic (OBD), performing

01-186

- Press

key.

ABS hydraulic pump -V64 no longer
runs.

Output Diagnosic Test Mode

-

IRR: VBAT ORR: 0V

Wheel RR free

Indicated on display

Brake pedal must give perceptibly

If the brake pedal does not give,
there is a malfunction in the
hydraulic unit. In this case the
hydraulic unit must be replaced.

Repair Manual, Brake System,

Repair Group 45

- Press

key.

Output Diagnosic Test Mode

-

IRR: 0V ORR: 0V Wheel RR locked

Indicated on display

Note:

If the wheel does not lock, there is a
possibility that there is a malfunction
in the mechanical/hydraulic part of
the brake system.

- Indicate to 2nd mechanic which

wheel requires turning by hand.

On Board Diagnostic (OBD), performing

01-187

- Press

key.

Output Diagnosic Test Mode

-

Release brakes

Indicated on display

- Remove foot from brake pedal.

- Press

key.

Output Diagnosic Test Mode

-

EDL valves/Hyd-P: VBAT Wh FL/FR locked

Indicated on display (vehicles

with EDL)

A 2nd mechanic is required to rotate
the respective wheel by hand.

If the wheels do not lock, there is a
malfunction in the hydraulic part of
the ABS system. In this case the
hydraulic unit must be replaced.

Repair Manual, Brake System,

Repair Group 45

On Board Diagnostic (OBD), performing