Nissan Altima HL32 Hybrid. Manual — part 582
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
HBC-77
< FUNCTION DIAGNOSIS >
D
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F
G
H
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L
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A
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HBC
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Component Description
INFOID:0000000004211753
JMBIA0118GB
1.
Exhaust manifold cover
2.
Air fuel ratio (A/F) sensor 1
3.
Air fuel ratio (A/F) sensor 1 harness
connector
4.
Heated oxygen sensor 2 harness
connector
5.
Heated oxygen sensor 2
6.
Oil pan
7.
Heated oxygen sensor 3
8.
Heated oxygen sensor 3 harness
connector
: Vehicle front
ALBIA0272ZZ
Component
Reference
ASCD steering switch
ASCD brake switch
HBC-78
< FUNCTION DIAGNOSIS >
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
Stop lamp switch
Electric throttle control actuator
MG1, MG2
ASCD indicator
Component
Reference
CAN COMMUNICATION
HBC-79
< FUNCTION DIAGNOSIS >
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HBC
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CAN COMMUNICATION
System Description
INFOID:0000000004211754
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.
This vehicle has two types of CAN communication systems; CAN and HEV SYSTEM CAN. The hybrid vehicle
control ECU functions as the network gateway ECU for signal transmitting/receiving between CAN and HEV
SYSTEM CAN.
LAN-27, "CAN Communication Signal Chart"
, about CAN communication for detail.
HBC-80
< FUNCTION DIAGNOSIS >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Diagnosis Description
INFOID:0000000004211755
INTRODUCTION
The hybrid vehicle control ECU has an on board diagnostic system, which detects malfunctions related to
hybrid vehicle control system, sensors, actuators or HV battery systems, and records various diagnostic infor-
mation relating to the malfunction. The hybrid vehicle control ECU also illuminates the MIL and/or 3 warning
lights (Hybrid system warning light, High voltage battery warning light, Charge warning light) in the combina-
tion meter. For which light illuminates, refer to
.
Three-digit information code (INF code) has been provided in the conventional DTC as subset of a primary
five-digit code. This enable the troubleshooting procedure to further narrow down a malfunctioning area to
identify a problem.
The above information can be checked using procedures listed in the table below.
×: Applicable —:Not applicable
ONE TRIP DETECTION LOGIC
When a malfunction is detected, DTC and freeze frame data are stored in the hybrid vehicle control ECU
memory and illuminates the MIL and/or warning lights on the combination meter. Refer to
TWO TRIP DETECTION LOGIC
Specific on board diagnostic items have the two trip detection logic. When a malfunction is detected for the
first time, DTC is not stored in the hybrid vehicle control ECU memory. <1st trip>
If the same malfunction is detected again during the next drive, the DTC and Freeze Frame data are stored in
the hybrid vehicle control ECU memory, and the MIL and/or warning lights in the combination meter illumi-
nates. <2nd trip>
The “trip” in the “Two trip detection logic” means a driving mode in which self-diagnosis is performed during
vehicle operation. For the items which have the two trip detection logic, refer to
HOW TO READ DTC
With CONSULT-III
With GST
CONSULT-III or GST (Generic Scan Tool) Examples: P0560, P0A1A, etc.
These DTCs are prescribed by SAE J2012.
(CONSULT-III also displays the malfunctioning component or system.)
DTC of a malfunction is displayed in SELF-DIAGNOSTIC RESULTS mode of CONSULT-III.
HOW TO ERASE DTC
With CONSULT-III
The diagnostic information in the hybrid vehicle control ECU can be erased by selecting “Erase” in the” “SELF-
DIAG RESULTS” mode with CONSULT-III.
With GST
The diagnostic information in the hybrid vehicle control ECU can be erased by selecting Service $04 with GST.
OBD System Operation Chart
Diagnostic information
Diagnostic service
Diagnostic Trouble Code (DTC)
Service $03 of SAE J1979
Information code (INF code)
Freeze Frame data
Service $02 of SAE J1979
Information data
Operation history data
Calibration ID
Service $09 of SAE J1979
DTC
INF code
Freeze Frame data
Information data
Operation history
data
CONSULT-III
×
×
×
×
×
GST
×
—
×
—
—
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