Isuzu N-Series. Manual - part 296

HSA (HILL START AID) 5A5-63

Neutral Switch

Removal

1. Remove the neutral switch.

• Disconnect the connector.
• Twist off the switch to remove.

Legend

1. Neutral switch
2. Connector (gray)

Inspection

Press the switch to check the continuity between the
connector terminals.
With switch released = Continuity exists
With switch pressed = No continuity

Installation

1. Apply liquid gasket to the threaded portion of the

neutral switch to install.

Liquid gasket: THREE BOND 1141

Tighten:

Neutral switch to 34 N

⋅m (3.5 kg⋅m/25.1 lb⋅ft)

N5A3055E

N5A3056E

5A5-64 HSA (HILL START AID)

Stop Lamp Switch

Removal

1. Remove the stop lamp switch.

• Disconnect the connector of the stop lamp

switch.

• Loosen the lock nut.
• Turn the switch body to remove from the brack-

et.

Legend

1. Lock nut
2. Brake pedal
3. Stop lamp switch

Installation

1. Install the stop lamp switch.

• Screw in until the thread end of the stop lamp

switch contacts the brake pedal.

Legend

1. Brake pedal
2. Stop lamp switch
3. Lock nut

Caution:

Screw in until the thread end of the stop lamp switch
contacts the brake pedal.

• After contacting with the pedal, back off the

switch to make clearance between 0.5 — 1.0
mm (0.02 — 0.04 in), and then tighten the lock
nut.

N5A3057E

N5A3058E

HSA (HILL START AID) 5A5-65

Clutch Fluid Pressure Switch

Removal

1. Check the clutch fluid pressure switch.

• Disconnect the clutch fluid pressure switch con-

nector, and check for continuity between the
connector terminals with the clutch pedal fully
depressed/released.
With clutch pedal depressed = Continuity exists
With clutch pedal released = No continuity

2. Remove the clutch fluid pressure switch.

• Disconnect the connector, and twist off the

hexagon nut portion of the switch.

Legend

1. Clutch fluid pressure switch
2. Clutch booster

Installation

1. Install the clutch fluid pressure switch.

Tighten:

Clutch fluid pressure switch to 15 N

⋅m (1.5 kg⋅m/11.1

lb

⋅ft)

N5A3059E

N5A3060E

5A5-66 HSA (HILL START AID)

Diode Box

Removal

1. Remove the instrument panel.
2. Disconnect the connector.
3. Remove the diode box.

Legend

1. Diode box
2. Connector
3. Relay box

Inspection

Check for continuity between the unit terminals.

Installation

Install in the reverse order of removal.

N5A3061E

N5A3062E