Nissan Primera P12. Manual - part 288

PSP SWITCH

EC-337

[YD (WITH EURO-OBD)]

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EC

Wiring Diagram

EBS013TK

MBWA0391E

EC-338

[YD (WITH EURO-OBD)]

PSP SWITCH

Diagnostic Procedure

EBS013TL

1.

CHECK OVERALL FUNCTION

With CONSULT-II

1.

Start engine.

2.

Check “PW/ST SIGNAL” in “DATA MONITOR” mode with CON-
SULT-II under the following conditions.

Without CONSULT-II

1.

Start engine.

2.

Check voltage between ECM terminal 111 and ground under the
following conditions.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

2.

CHECK POWER STEERING PRESSURE SWITCH GROUND CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Disconnect power steering pressure switch harness connector.

3.

Check harness continuity between power steering pressure
switch terminal 2 and ground. Refer to Wiring Diagram.

4.

Also check harness for short to power.

OK or NG

OK

>> GO TO 3.

NG

>> Repair open circuit or short to power in harness or con-

nectors.

3.

CHECK POWER STEERING PRESSURE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.

Disconnect ECM harness connector.

2.

Check harness continuity between ECM terminal 111 and power steering pressure switch terminal 1.
Refer to Wiring Diagram.

3.

Also check harness for short to ground and short to power.

OK or NG

OK

>> GO TO 4.

NG

>> Repair open circuit or short to ground or short to power in harness or connectors.

Conditions

PW/ST SIGNAL

Steering wheel is in neutral position

OFF

Steering wheel is turned

ON

PBIB0434E

Conditions

Voltage

Steering wheel is in neutral position

Battery voltage

Steering wheel is turned

Approximately 0V

PBIB1948E

Continuity should exist.

MBIB1019E

Continuity should exist.

PSP SWITCH

EC-339

[YD (WITH EURO-OBD)]

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A

EC

4.

CHECK POWER STEERING PRESSURE SWITCH

Refer to

EC-339, "Component Inspection"

.

OK or NG

OK

>> GO TO 5.

NG

>> Replace power steering pressure switch.

5.

CHECK INTERMITTENT INCIDENT

Refer to

EC-75, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"

.

>> INSPECTION END

Component Inspection

EBS013TM

POWER STEERING PRESSURE SWITCH

1.

Disconnect power steering pressure switch harness connector and then start engine.

2.

Check continuity between power steering pressure switch termi-
nal 1 and 2 under the following conditions.

Removal and Installation

EBS013TN

Refer to PS section in P12 ESM (SM2E00-1P12E0E).

Conditions

Continuity

Steering wheel is being fully turned.

Yes

Steering wheel is not being turned.

No

MBIB0624E

EC-340

[YD (WITH EURO-OBD)]

START SIGNAL

START SIGNAL

PFP:48750

Wiring Diagram

EBS013TO

MBWA0390E