Nissan Altima HL32 Hybrid. Manual - part 536

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HYBRID

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SECTION 

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CONTENTS

HYBRID BATTERY SYSTEM

BASIC INSPECTION  ....................................

3

DIAGNOSIS AND REPAIR WORKFLOW  ..........

3

Work Flow  .................................................................

3

Diagnostic Work Sheet ..............................................

4

FUNCTION DIAGNOSIS ...............................

6

HYBRID BATTERY SYSTEM  .............................

6

System Diagram .......................................................

6

System Description  ...................................................

7

Component Parts Location ......................................

13

COOLING FAN CONTROL FOR HV BAT-
TERY ..................................................................

15

System Diagram .....................................................

15

System Description  .................................................

15

Component Parts Location ......................................

16

AUXILIARY BATTERY CHARGING CON-
TROL ..................................................................

18

System Diagram .....................................................

18

System Description  .................................................

18

Component Parts Location ......................................

19

INVERTER ASSEMBLY CONTROL  ..................

21

System Diagram .....................................................

21

System Description  .................................................

21

Component Parts Location ......................................

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BOOST CONVERTER CONTROL .....................

25

System Diagram .....................................................

25

System Description  .................................................

25

Component Parts Location ......................................

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BATTERY CONTROL  ........................................

29

System Diagram .....................................................

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System Description  .................................................

29

Component Parts Location ......................................

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COMPONENT DIAGNOSIS .........................

37

P0A1F-123 ........................................................

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Description ...............................................................

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DTC Logic ................................................................

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Diagnosis Procedure  ...............................................

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P0A7F-123 ........................................................

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Description ...............................................................

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DTC Logic ................................................................

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Diagnosis Procedure  ...............................................

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P0A80-123 .........................................................

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Description ...............................................................

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DTC Logic ................................................................

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Diagnosis Procedure  ...............................................

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P0A82-123 .........................................................

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Description ...............................................................

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DTC Logic ................................................................

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Diagnosis Procedure  ...............................................

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P0A84-123 .........................................................

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Description ...............................................................

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DTC Logic ................................................................

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Diagnosis Procedure  ...............................................

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P0A85-123 .........................................................

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Description ...............................................................

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DTC Logic ................................................................

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Diagnosis Procedure  ...............................................

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P0A95-123 .........................................................

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Description ...............................................................

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DTC Logic ................................................................

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Diagnosis Procedure  ...............................................

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P0A9C-123 ........................................................

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Description ...............................................................

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DTC Logic ................................................................

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Diagnosis Procedure  ...............................................

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P0A9D-123, P0A9E-123  ...................................

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Description ...............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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P0AAC-123 ........................................................

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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P0ABF-123, P0AC1-123, P0AC2-123 ...............

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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P0AC0-123 .........................................................

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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P0AFA-123 ........................................................

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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P3011-123, P3012-123, P3013-123, P3014-
123, P3015-123, P3016-123  ..............................

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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P3017-123, P3018-123, P3019-123, P3120-
123, P3021-123, P3022-123  ..............................

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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P3023-123, P3024-123, P3025-123, P3026-
123, P3027-123 ..................................................

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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U029A-123 .........................................................

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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ECU DIAGNOSIS  ........................................

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BATTERY SMART UNIT  ...................................

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Reference Value  .....................................................

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Wiring Diagram  .......................................................

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DTC Index ..............................................................

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PRECAUTION ............................................

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PRECAUTIONS  .................................................

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General Precautions  ...............................................

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Precautions For High-Voltage System ....................

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Precautions for Inspecting the Hybrid Control Sys-
tem ..........................................................................

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Precautions for the Hybrid Control System Activa-
tion ..........................................................................

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Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................

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Necessary for Steering Wheel Rotation After Bat-
tery Disconnect  .......................................................

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Precaution for Procedure without Cowl Top Cover ...

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PREPARATION ..........................................

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PREPARATION .................................................

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Commercial Service Tools  ......................................

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REMOVAL AND INSTALLATION ..............

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HV BATTERY ASSEMBLY  ...............................

96

Exploded View  ........................................................

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Removal and Installation .........................................

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BATTERY SMART UNIT  ..................................

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Exploded View  ......................................................

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Removal and Installation .......................................

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HV VEHICLE CONVERTER  .............................

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Exploded View  ......................................................

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Removal and Installation .......................................

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HV RELAY ASSEMBLY  ...................................

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Exploded View  ......................................................

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Removal and Installation .......................................

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HV BATTERY BLOWER MOTOR ....................

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Exploded View  ......................................................

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Removal and Installation .......................................

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AUXILIARY BATTERY .....................................

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Removal and Installation .......................................

108

DIAGNOSIS AND REPAIR WORKFLOW

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< BASIC INSPECTION >

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000004212229

DETAILED FLOW

1.

VEHICLE BROUGHT TO WORK SHOP

>> GO TO 2.

2.

CUSTOMER PROBLEM ANALYSIS

Get the detailed information from the customer about the symptom (the condition and the environment when

the incident/malfunction occurred) using the “DIAGNOSTIC WORKSHEET”.

>> GO TO 3.

3.

CONNECT CONSULT-III TO THE DATA LINK CONNECTOR

NOTE:

If the display on the CONSULT-III indicates a communication malfunction, inspect the data link connector.

>> GO TO 4.

4.

CHECK DTC AND SAVE FREEZE FRAME DATA

1. Check DTC.

2. Perform the following procedure if DTC is displayed.

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Record DTC and freeze frame data.

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Study the relationship between the cause detected by DTC and the symptom described by the customer. 

3. Check related service bulletins for information.

4. Clear DTC.

>> GO TO 5.

5.

CONDUCT VISUAL INSPECTION

Check the vehicle visually.

>> GO TO 6.

6.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer.

DIAGNOSIS WORK SHEET is useful to verify the incident.

Verify relation between the symptom and the condition when the symptom is detected.

NOTE:

If the engine does not start, perform steps 7 to 8 first.
Is the malfunction occur?

YES

>> GO TO 8.

NO

>> GO TO 7.

7.

DUPLICATE CONDITIONS THAT PRODUCE SYMPTOMS

1. Drive the vehicle under the similar conditions to Freeze Frame Data for certain time.

2. Check DTC.
Is DTC detected?

YES

>> GO TO 8.

NO

>> GO TO 9.

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< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

8.

PERFORM DIAGNOSIS PROCEDURE 

Perform the diagnosis procedure related to displayed DTC.

>> GO TO 12.

9.

CHECK HYBRID VEHICLE CONTROL ECU POWER SUPPLY CIRCUIT

Perform the circuit inspection for the hybrid vehicle control ECU power supply circuit.
Is malfunction confirmed?

YES

>> GO TO 11.

NO

>> GO TO 10.

10.

CHECK INTERMITTENT INCIDENT

Perform the trouble diagnosis for intermittent incident.

>> GO TO 11.

11.

IDENTIFY PROBLEM

Check the malfunctioning parts

>> GO TO 12.

12.

ADJUST AND/OR REPAIR

1. Repair or replace the malfunctioning part.

2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-

ment.

>> GO TO 13.

13.

CONDUCT CONFIRMATION TEST

Perform the step again that the DTC or malfunction was confirmed in this procedure.

>> INSPECTION END

Diagnostic Work Sheet

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DESCRIPTION

There are many operating conditions that lead to the malfunction of

Hybrid vehicle control components. A good grasp of such conditions

can make troubleshooting faster and more accurate.

In general, each customer feels differently about a incident. It is

important to fully understand the symptoms or conditions for a cus-

tomer complaint.

Utilize a diagnostic worksheet like the sample in order to organize all

the information for troubleshooting.

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