Nissan Teana J32. Manual - part 713

A/C AUTO AMP.

HAC-221

< ECU DIAGNOSIS >

[WITH 7 INCH DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

JCIWM0216GB

HAC-222

< ECU DIAGNOSIS >

[WITH 7 INCH DISPLAY]

A/C AUTO AMP.

JCIWM0217GB

A/C AUTO AMP.

HAC-223

< ECU DIAGNOSIS >

[WITH 7 INCH DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

WITH INTELLIGENT AIR CONDITIONER SYSTEM : Fail-Safe

INFOID:0000000003940039

FAIL-SAFE FUNCTION

If a communication error exists between the A/C auto amp., and the AV control unit and preset switch for 30
seconds or longer, air conditioner is controlled under the following conditions:

JCIWM0218GB

HAC-224

< ECU DIAGNOSIS >

[WITH 7 INCH DISPLAY]

A/C AUTO AMP.

WITH INTELLIGENT AIR CONDITIONER SYSTEM : DTC Inspection Priority Chart

INFOID:0000000003884796

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.

WITH INTELLIGENT AIR CONDITIONER SYSTEM : DTC Index

INFOID:0000000003884797

Compressor

: ON

Air outlet

: AUTO

Air inlet

: FRE (Fresh)

Blower fan speed

: AUTO

Set temperature

: Setting before communication error occurs

Priority

Detected items (DTC)

1

• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)

2

• B257B: AMB TEMP SEN (SHORT)
• B257C: AMB TEMP SEN (OPEN)
• B2578: IN CAR SENSOR (OUT OF RANGE [LOW])
• B2579: IN CAR SENSOR (OUT OF RANGE [HI])
• B2581: EVAP TEMP SEN (SHORT)
• B2582: EVAP TEMP SEN (OPEN)
• B262A: GAS SENSOR (SHORT)
• B262B: GAS SENSOR (OPEN)
• B2630: SUNLOAD SEN (SHORT)
• B2631: SUNLOAD SEN (OPEN)
• B2632: DR AIRMIX ACTR (SHORT)
• B2633: DR AIRMIX ACTR (OPEN)
• B2634: PASS AIRMIX ACTR (SHORT)
• B2635: PASS AIRMIX ACTR (OPEN)
• B2636: DR VENT DOOR FAIL
• B2637: DR B/L DOOR FAIL
• B2638: DR D/F1 DOOR FAIL 
• B2639: DR DEF DOOR FAIL
• B263D: FRE DOOR FAIL
• B263E: 20P FRE DOOR FAIL
• B263F: REC DOOR FAIL
• B2654: D/F2 DOOR FAIL
• B2655: B/L2 DOOR FAIL
• B2656: BTC FRE DOOR FAIL
• B2657: GAS SENSOR CIRCUIT (SHORT)
• B2658: GAS SENSOR CIRCUIT (OPEN)

DTC

Items

(CONSULT-III screen terms)

Reference

U1000

CAN COMM CIRCUIT

HAC-164, "DTC Logic"

U1010

CONTROL UNIT (CAN)

HAC-165, "DTC Logic"

B257B

AMB TEMP SEN (SHORT)

HAC-166, "DTC Logic"

B257C

AMB TEMP SEN (OPEN)

HAC-166, "DTC Logic"

B2578

IN CAR SENSOR (OUT OF RANGE [LOW])

HAC-169, "DTC Logic"

B2579

IN CAR SENSOR (OUT OF RANGE [HI])

HAC-169, "DTC Logic"

B2581

EVAP TEMP SEN (SHORT)

HAC-172, "DTC Logic"

B2582

EVAP TEMP SEN (OPEN)

HAC-172, "DTC Logic"

B262A

GAS SENSOR (SHORT)

HAC-175, "WITH INTELLIGENT AIR 

CONDITIONER SYSTEM : DTC Logic"