Nissan Altima HL32 Hybrid. Manual - part 558

BATTERY SMART UNIT

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< ECU DIAGNOSIS >

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DTC Index

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< ECU DIAGNOSIS >

BATTERY SMART UNIT

DTC

CONSULT-III

GST 

display

FRZF in-

formation 

data

Hybrid 

system 

warning 

light

High volt-

age bat-

tery 

warning 

light

Charge 

warning 

light

MIL

Trip

Reference 

page

INF 

code

Item

P0A1F

123

HV BAT SMART/UNIT

x

—

x

—

—

x

1

HBB-37

P0A7F

123

HV BAT DETERIORATE

x

—

x

—

—

x

1 or 2

HBB-39

P0A80

123

HV BAT MICRO SHORT

x

—

x

—

—

x

2

HBB-41

P0A82

123

HV BAT FAN CHARA

—

—

x

—

—

—

1

HBB-43

P0A84

123

HV BAT FAN LOW

—

—

x

—

—

—

1

HBB-46

P0A85

123

HV BAT FAN HIGH

—

—

x

—

—

—

1

HBB-52

P0A95

123

HV BAT SDSW/FUSE

—

—

x

—

—

—

1

HBB-55

P0A9C

123

HV BAT TMP/SEN FRE

x

—

x

—

—

x

1 or 2

HBB-57

P0A9D

123

HV BAT TMP/SEN GND

x

—

x

—

—

x

1

HBB-60

P0A9E

123

HV BAT TMP/SEN OPN

x

—

x

—

—

x

1

HBB-60

P0AAC

123

HV BAT INT/TMP/SEN

—

—

x

—

—

—

1

HBB-63

P0ABF

123

HV BAT CUR/SEN SHO

x

—

x

—

—

x

1

HBB-66

P0AC0

123

HV BAT CUR/SEN FRE

x

—

x

—

—

x

1

HBB-70

P0AC1

123

HV BAT CUR/SEN GND

x

—

x

—

—

x

1

HBB-66

P0AC2

123

HV BAT CUR/SEN OPN

x

—

x

—

—

x

1

HBB-66

P0AFA

123

HV BAT VOL/SEN OPN

x

—

x

—

—

x

1

HBB-72

P3011

123

HV BAT BLO1 WEAK

x

—

x

—

—

x

1

HBB-74

P3012

123

HV BAT BLO2 WEAK

x

—

x

—

—

x

1

HBB-74

P3013

123

HV BAT BLO3 WEAK

x

—

x

—

—

x

1

HBB-74

P3014

123

HV BAT BLO4 WEAK

x

—

x

—

—

x

1

HBB-74

P3015

123

HV BAT BLO5 WEAK

x

—

x

—

—

x

1

HBB-74

P3016

123

HV BAT BLO6 WEAK

x

—

x

—

—

x

1

HBB-74

P3017

123

HV BAT BLO7 WEAK

x

—

x

—

—

x

1

HBB-76

P3018

123

HV BAT BLO8 WEAK

x

—

x

—

—

x

1

HBB-76

P3019

123

HV BAT BLO9 WEAK

x

—

x

—

—

x

1

HBB-76

P3020

123

HV BAT BLO10 WEAK

x

—

x

—

—

x

1

HBB-76

P3021

123

HV BAT BLO11 WEAK

x

—

x

—

—

x

1

HBB-76

P3022

123

HV BAT BLO12 WEAK

x

—

x

—

—

x

1

HBB-76

P3023

123

HV BAT BLO13 WEAK

x

—

x

—

—

x

1

HBB-78

P3024

123

HV BAT BLO14 WEAK

x

—

x

—

—

x

1

HBB-78

P3025

123

HV BAT BLO15 WEAK

x

—

x

—

—

x

1

HBB-78

P3026

123

HV BAT BLO16 WEAK

x

—

x

—

—

x

1

HBB-78

P3027

123

HV BAT BLO17 WEAK

x

—

x

—

—

x

1

HBB-78

U029A

123

HV BAT COMMUNICATE

x

—

x

—

—

x

1

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PRECAUTIONS

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< PRECAUTION >

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PRECAUTION

PRECAUTIONS

General Precautions

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• Always use a 12-volt battery as power source.

• Do not attempt to disconnect battery cables while engine is

running.

• Do not disassemble ECUs.

• If the battery is disconnected, the following emission-related

diagnostic information will be lost within 3 minutes.

- Diagnostic trouble codes

- Freeze frame data

• When connecting the hybrid vehicle control ECU harness

connector, fasten it securely with a lever as far as it will go as

shown.

• When connecting or disconnecting pin connectors into or

from the hybrid vehicle control ECU, take care not to damage

pin terminals (bend or break).

Make sure that there are not any bends or breaks on the

hybrid vehicle control ECU pin terminal, when connecting pin

connectors.

• Securely connect the hybrid vehicle control ECU harness

connectors.

A poor connection can cause an extremely high (surge) volt-

age to develop in coil and condenser, thus resulting in dam-

age to ICs.

• Keep hybrid vehicle control system harness at least 10 cm (4

in) away from adjacent harness, to prevent hybrid vehicle control system malfunctions due to

receiving external noise, degraded operation of ICs, etc.

• Keep hybrid vehicle control system parts and harness dry.

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< PRECAUTION >

PRECAUTIONS

• When measuring ECU signals with a circuit tester, never allow

the two tester probes to contact.

Accidental contact of probes will cause a short circuit and

damage the ECU power transistor.

• When installing C.B. ham radio or a mobile phone, be sure to

observe the following as it may adversely affect electronic

control systems depending on installation location.

- Keep the antenna as far as possible from the electronic con-

trol units.

- Keep the antenna feeder line more than 20 cm (8 in) away

from the harness of electronic controls.

Do not let them run parallel for a long distance.

- Adjust the antenna and feeder line so that the standing-wave

radio can be kept smaller.

- Be sure to ground the radio to vehicle body.

Precautions For High-Voltage System

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Refer to 

GI-24, "Precautions For High-Voltage System"

.

Precautions for Inspecting the Hybrid Control System

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• Before inspecting the high-voltage system or disconnecting the low voltage connector of the inverter with

converter assembly, take safety precautions, such as wearing insulated gloves and removing the service

plug grip to prevent electrical shocks. Make sure to turn ignition switch OFF before removing the service

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