Nissan Altima HL32 Hybrid. Manual - part 283

EC-116

< COMPONENT DIAGNOSIS >

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POWER SUPPLY AND GROUND CIRCUIT

4. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES

>> GO TO 17.

NO

>> GO TO 11.

11.

DETECT MALFUNCTIONING PART

Check the following.

• Junction block connectors E44, E45

• Harness for open or short between ECM and IPDM E/R

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

12.

CHECK ECM POWER SUPPLY CIRCUIT-VI

1. Disconnect ECM harness connector.

2. Disconnect IPDM E/R harness connector F10.

3. Check the continuity between ECM harness connector and IPDM E/R harness connector.

4. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES

>> GO TO 13.

NO

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

13.

CHECK 15A FUSE

1. Disconnect 15A fuse (No. 42) from IPDM E/R.

2. Check 15A fuse.
Is the inspection result normal?

YES

>> GO TO 17.

NO

>> Replace 15A fuse (No. 42).

14.

CHECK GROUND CONNECTION-II

1. Turn ignition switch OFF.

2. Check ground connection E9. Refer to Ground Inspection in 

GI-45, "Circuit Inspection"

.

Is the inspection result normal?

YES

>> GO TO 15.

NO

>> Repair or replace ground connection.

15.

CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-II

1. Disconnect ECM harness connector.

2. Check the continuity between ECM harness connector and ground.

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

E10

105

E18

10

Existed

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

F14

24

F10

69

Existed

POWER SUPPLY AND GROUND CIRCUIT

EC-117

< COMPONENT DIAGNOSIS >

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3. Also check harness for short to power.
Is the inspection result normal?

YES

>> GO TO 17.

NO

>> GO TO 16.

16.

DETECT MALFUNCTIONING PART

Check the following.

• Harness or connectors F80, E68

• Harness for open or short between ECM and ground

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

17.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R.

NO

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

ECM

Ground

Continuity

Connector

Terminal

F14

12

Ground

Existed

16

E10

107

108

111

112

EC-118

< COMPONENT DIAGNOSIS >

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U0129, U1022 CAN COMM CIRCUIT

U0129, U1022 CAN COMM CIRCUIT

DTC Logic

INFOID:0000000004211354

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON and wait at least 3 seconds.

2. Check DTC.
Is DTC detected?

YES

>>

EC-118, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000004211355

Go to 

LAN-4, "Description"

.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

U0129

Lost communication 
with brake ECU

CAN communication signal of OBD (emission related 
diagnosis) is not received between brake ECU and 
ECM for 1 second or more.

• HEV SYSTEM CAN communication 

line between brake ECU and ECM

• HEV SYSTEM CAN communication 

line short

U1022

CAN communication signal other than OBD (emis-
sion related diagnosis) is not received between 
brake ECU and ECM for 1 second or more.

U0164 CAN COMM CIRCUIT

EC-119

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U0164 CAN COMM CIRCUIT

Description

INFOID:0000000004211362

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-

tiplex communication line with high data communication speed and excellent error detection ability. Many elec-

tronic control units are equipped onto a vehicle, and each control unit shares information and links with other

control units during operation (not independent). In CAN communication, control units are connected with 2

communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.

Each control unit transmits/receives data but selectively reads required data only.

DTC Logic

INFOID:0000000004211363

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON and wait at least 3 seconds.

2. Check DTC.
Is DTC detected?

YES

>>

EC-119, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000004211364

Go to 

LAN-16, "Trouble Diagnosis Flow Chart"

.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

U0164

Lost communication 
with Controller (auto 
amp.)

When ECM is not transmitting or receiving CAN com-
munication signal of OBD (emission related diagno-
sis) with Controller (auto amp.) for 2 seconds or 
more.

• CAN communication line between 

Controller (auto amp.) and ECM
(CAN communication line is open or 
shorted)