Nissan Note [15/22] Inspection 1 battery voltage malfunction

TROUBLE DIAGNOSIS

STC-15

[EPS]

STC

Inspection 1: Battery Voltage Malfunction

BGS00037

1. CHECK EPS CONTROL UNIT CONNECTOR

1. Turn ignition switch OFF, disconnect EPS control unit harness connector, and check terminal for deforma-

tion, disconnection, looseness, etc.

2. Reconnect harness connector securely, and perform self-diagnosis.

“BATTERY_VOLT” indicated in self-diagnosis display?

YES >> GO TO 2.

NO >> Connector terminal connection is loose, damaged, open, or shorted. Repair or replace the termi-

nal.

2. CHECK EPS CONTROL UNIT GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect EPS control unit harness connector M24, and then

check continuity between EPS control unit harness connector

M24 and ground.

OK or NG

OK >> GO TO 3.

NG >> Ground circuit open or shorted. Repair or replace any

inoperative parts.

3. CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT

1. Turn ignition switch ON.

2. Check voltage between EPS control unit harness connector

M24, M25 and ground.

OK or NG

OK >> GO TO 4.

NG >> Connector terminal connection is loose, damaged,

open, or shorted. Repair or replace any inoperative

parts.

4. CHECK EPS CONTROL UNIT

1. Turn ignition switch OFF, disconnect EPS control unit harness connector. Start engine.

2. Check “MOTOR VOL” in CONSULT-II data monitor.

OK or NG

OK >> GO TO 5.

NG >> EPS control unit malfunction. (Replace EPS control unit)

18 – Ground : Continuity exist.

SGIA1306E

10, 17 – Ground : Battery voltage (Approx. 12 V)

SGIA1307E

Voltage :10–16V