Nissan Rogue. Manual — part 758

HAC-54

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

U1010 CONTROL UNIT (CAN)

U1010 CONTROL UNIT (CAN)

Description

INFOID:0000000011276595

Initial diagnosis of A/C auto amp.

DTC Logic

INFOID:0000000011276596

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM SELF-DIAGNOSIS

With CONSULT

1. Turn ignition switch ON.

2. Perform “Self Diagnostic Result” of “HVAC”.

3. Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?

YES

>> Refer to

HAC-54, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000011276597

NOTE:

This DTC can be set if the BCM is placed in transit mode. Confirm if the DTC is CURRENT or PAST. If PAST,

perform the following steps before carrying out Diagnosis Procedure.

1. Clear DTC using CONSULT. Refer to

HAC-22, "CONSULT Function (HVAC)"

.

2. Perform OPERATION INSPECTION. Refer to

HAC-48, "Work Procedure"

.

3. Perform “Self Diagnostic Result” of “HVAC” using CONSULT. Refer to

HAC-22, "CONSULT Function

(HVAC)"

.

4. If DTC resets, proceed with Diagnosis Procedure.

1.

REPLACE A/C AUTO AMP.

Replace A/C auto amp. Refer to

HAC-103, "Removal and Installation"

.

>> Inspection End.

DTC

Items

(CONSULT screen terms)

DTC detection condition

Possible cause

U1010

CONTROL UNIT (CAN)

When detecting error during the initial diag-
nosis of CAN controller of A/C auto amp.

A/C auto amp.

B24A0 A/C AUTO AMP.

HAC-55

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

B24A0 A/C AUTO AMP.

DTC Logic

INFOID:0000000011276598

DTC DETECTION LOGIC

NOTE:

• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

HAC-

53, "DTC Logic"

.

• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

HAC-

54, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Turn ignition switch ON.

2. Perform “Self Diagnostic Result” of “HVAC”.

3. Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?

YES

>> Refer to

HAC-55, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000011276599

1.

PERFORM SELF DIAGNOSTIC

With CONSULT

1. Turn ignition switch ON.

2. Select “Self Diagnostic Result” of “HVAC”.

3. Touch “ERASE”.

4. Turn ignition switch OFF.

5. Turn ignition switch ON.

6. Perform “DTC CONFIRMATION PROCEDURE”. Refer to

HAC-55, "DTC Logic"

.

Is DTC detected again?

YES

>> Replace A/C auto amp. Refer to

HAC-103, "Removal and Installation"

.

NO

>> Inspection End.

DTC

Items

(CONSULT screen terms)

DTC detection condition

Possible cause

B24A0

A/C AUTO AMP.

A/C auto amp. EEPROM system is mal-
functioning.

A/C auto amp.

HAC-56

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

B24A1 A/C AUTO AMP. POWER SUPPLY

B24A1 A/C AUTO AMP. POWER SUPPLY

DTC Logic

INFOID:0000000011276600

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Turn ignition switch ON.

2. Perform “Self Diagnostic Result” of “HVAC”.

3. Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?

YES

>> Refer to

HAC-56, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000011276601

Regarding Wiring Diagram information, refer to

HAC-35, "Wiring Diagram"

.

1.

CHECK FUSE

Check 10A fuse [No. 20, located in the fuse block (J/B)].

NOTE:

Refer to

PG-64, "Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit.

2.

CHECK A/C AUTO AMP. POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect A/C auto amp. connector.

3. Check voltage between A/C auto amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector between A/C auto amp. and fuse block (J/B).

3.

CHECK A/C AUTO AMP. GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between A/C auto amp. harness connector and ground.

DTC

Items

(CONSULT screen terms)

DTC detection condition

Possible cause

B24A1

A/C AUTO AMP. POWER SUP-
PLY

A/C auto amp. power supply is out of
range

• A/C auto amp.
• Harness and connector

(Power supply is open or shorted)

+

−

Voltage

A/C auto amp.

Ignition switch position

Connector

Terminal

OFF

ACC

ON

M54

1

Ground

Approx. 0 V

Approx. 0 V

Battery voltage

B24A1 A/C AUTO AMP. POWER SUPPLY

HAC-57

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair harness or connector.

A/C auto amp.

—

Continuity

Connector

Terminal

M54

3

Ground

Yes