TG_06.pdf

(426 KB) Pobierz
20677486 UNPDF
STEERING
06
SECTION
OUTLINE . . . . . . . . . . . . . . . . . 06-00
ON-BOARD DIAGNOSTIC. . . . 06-02
POWER STEERING . . . . . . . . . 06-14
06–00 OUTLINE
STEERING ABBREVIATIONS . . . . . . . . 06–00–1
STEERING FEATURES. . . . . . . . . . . . . . 06–00–1
STEERING SPECIFICATIONS . . . . . . . . . 06–00–1
End of Toc
STEERING ABBREVIATIONS
DPE060000000T01
ATF Automatic Transaxle Fluid
CAN Controller Area Network
EHPAS Electro Hydraulic Power Assist Steering
OFF
Switch Off
ON
Switch On
WDS
Worldwide Diagnostic System
End Of Sie
STEERING FEATURES
DPE060000000T02
Improved handling
• Electro hydraulic power assist steering (EHPAS) adopted (L8, LF)
• Engine-speed-sensing power steering adopted (MZR-CD (RF Turbo))
Improved fuel economy
Improved marketability
• Electro hydraulic power assist steering (EHPAS) adopted (L8, LF)
Improved operability • Steering shaft with a tilt/telescope mechanism adopted
Improved safety • Steering shaft with an energy absorbing mechanism adopted
Improved serviceability • Enhanced malfunction diagnosis function for use with WDS or equivalent
End Of Sie
STEERING SPECIFICATIONS
DPE060000000T03
Item
Specifications
Steering wheel
Outer diameter
(mm {in})
372 {14.6}
06
Lock to lock
(turns)
2.9
Shaft type
Collapsible design
Steering shaft
Coupling type
Cross-shaped joint design
Tilt amount
(mm {in})
40 {1.6}
Telescope amount
(mm {in})
50 {2.0}
Steering gear and
linkage
Type
Rack and pinion design
Rack stroke
(mm {in})
81.0 {3.19} × 2
Power assist system
Vehicle speed sensing (L8, LF)
Engine speed sensing (MZR-CD (RF Turbo))
Power steering
Ty p e
AT F M - III or equivalent
(e.g. Dexron ® II )
Fluid
specification
Capacity *
(approx.
quantity)
(L {US qt,
Imp qt})
0.80 {0.84, 0.70} (L8, LF)
0.97 {1.03, 0.85} (MZR-CD (RF Turbo))
* : When fluid reservoir tank is at maximum volume.
End Of Sie
06–00–1
To c o f S C T
To c o f S C T
20677486.015.png 20677486.016.png 20677486.017.png
ON-BOARD DIAGNOSTIC
06–02 ON-BOARD DIAGNOSTIC
ON-BOARD DIAGNOSTIC SYSTEM OUTLINE
[ELECTRO HYDRAULIC POWER ASSIST
STEERING (EHPAS)] . . . . . . . . . . . . . . 06–02–1
ON-BOARD DIAGNOSTIC SYSTEM FUNCTION
[ELECTRO HYDRAULIC POWER ASSIST
STEERING (EHPAS)] . . . . . . . . . . . . . . 06–02–2
ON-BOARD DIAGNOSTIC SYSTEM PID/DATA
MONITOR FUNCTION [ELECTRO HYDRAULIC
POWER ASSIST STEERING
(EHPAS)] . . . . . . . . . . . . . . . . . . . . . . . . 06–02–3
ON-BOARD DIAGNOSTIC SYSTEM EXTERNAL
TESTER COMMUNICATION FUNCTION
[ELECTRO HYDRAULIC POWER ASSIST
STEERING (EHPAS)] . . . . . . . . . . . . . . . 06–02–3
DLC-2 CONSTRUCTION [ELECTRO HYDRAULIC
POWER ASSIST STEERING
(EHPAS)]. . . . . . . . . . . . . . . . . . . . . . . . . 06–02–4
End of Toc
ON-BOARD DIAGNOSTIC SYSTEM OUTLINE [ELECTRO HYDRAULIC POWER ASSIST STEERING (EHPAS)]
DPE060200000T01
• The on-board diagnostic system consists of a malfunction detection system that detects abnormalities in input/
output signals when the ignition switch is at the ON position and a PID/data monitor function that reads out
specified input/output signals.
• The Data Link Connector 2 (DLC-2), which groups together all the connectors used for malfunction diagnosis
into a single place, has been adopted, thereby improving serviceability. Diagnosis is performed by connecting
the WDS or equivalent to the DLC-2.
• In addition to DTC read-out, the WDS or equivalent is used to clear DTCs using the display screen of the
diagnostic tester, and to access the PID/data monitor, providing enhanced malfunction diagnosis and improved
serviceability.
Block Diagram
2
3
4
5
6
DLC-2
8
06
10
11
9
12
13
14
15
DPE614ZT1011
1 EHPAS control module
2 On-board diagnostic function
3 Memory function
4 Malfunction Display Function
5 External tester communication function
6N rir
7 EHPAS warning light
8 WDS or equivalent
9 Other modules
10 Malfunction detection function
11 PID/DATA monitor function
12 Fail-safe function
06–02–1
20677486.018.png 20677486.001.png 20677486.002.png 20677486.003.png 20677486.004.png
ON-BOARD DIAGNOSTIC
13 Input device
14 Normal control area
15 Output device
End Of Sie
ON-BOARD DIAGNOSTIC SYSTEM FUNCTION [ELECTRO HYDRAULIC POWER ASSIST STEERING
(EHPAS)]
DPE060200000T02
Malfunction Detection Function
• The malfunction detection function detects malfunctions in the input/output signal system of the EHPAS control
module (built into the electric power steering oil pump) when the ignition switch is at the ON position or driving
the vehicle.
• The EHPAS warning light illuminates according to the following figure when the ignition switch is turned to the
ON position to inspect for open circuits in the light. .
5
2
6
3
8
4
9
10
250 ms
2.2—2.6 s
11
2
5
6
3
8
9
4
10
250 ms
12
B3E0602T009
1 Period until engine rotation determined: shorter than
2.2—2.6 s
2 Ignition switch
3 Engine rotation determined
4 EHPAS warning light
5N
6F
7 Rotating
8 Stopped
9 Illuminated
10 Not illuminated
11 Period until engine rotation determined: longer than
2.2—2.6 s
12 Period until engine rotation determined
Malfunction Display Function
• When the malfunction detection function detects a malfunction, the EHPAS warning light illuminates to advise
the driver. Using the external tester communication function, DTCs can be output to the DLC-2 via the CAN
line. At the same time, malfunction detection results are sent to the memory and fail-safe functions.
Memory Function
• The memory function stores DTCs of malfunctions in input/output signal systems. With this function, once a
DTC is stored it is not cleared after the ignition switch has been turned off (LOCK position), even if the
06–02–2
20677486.005.png 20677486.006.png 20677486.007.png 20677486.008.png 20677486.009.png 20677486.010.png
ON-BOARD DIAGNOSTIC
malfunctioning signal system has returned to normal.
• Since the EHPAS control module has a built-in non-volatile memory, DTCs are not cleared even if the battery is
removed. Therefore, it is necessary to clear the memory after performing repairs. Refer to the Workshop
Manual for the DTC clearing procedure.
Fail-safe Function
• When the malfunction detection function determines a malfunction, the EHPAS warning light illuminates to
advise the driver. At this time, the fail-safe function disables system control or gradually reduces the assist
power.
DTC Table
System malfunction location
DTC (WDS or
equivalent
display)
Fail-safe function
EHPAS warning light illumination
status
Control status
Electric power steering oil pump
B1238
Illuminated
Control disabled
Battery power supply
B1317
Illuminated *1
Control disabled *2
B1318
Illuminated *3
Control disabled *2
Electric power steering oil pump
(control module)
B1342
Illuminated
Control disabled
IG power supply
B1352
Illuminated
Control continues
Module configuration
B2477
Illuminated
Control disabled
Electric power steering oil pump
(motor)
C1099
Illuminated
Control disabled
Steering angle sensor
C1278
Illuminated
Control continues *4
U0073
Illuminated
Control continues *5
CAN line
U0100
Illuminated
Control continues *5
U2023
Illuminated
Control continues *6
*1
: Illuminates when battery voltage is more than 17 V .
*2
: Controlled motor speed is decreased to 391 rpm per s until it is set at 0 rpm, and control is disabled.
*3
: Illuminates when battery voltage is less than 9 V .
*4
: Controlled steering speed is decreased to 100 degree per s until it is set at 0 degree, and control continues.
*5
: Motor is stopped: Maintained at condition when stopped. Motor is rotating: Controlled vehicle speed is
increased to 20 km/h {12 mph} per s until it is set at 200 km/h {124 mph} , engine speed is set at 1,000 rpm
, and control continues.
*6
: Motor is stopped: Engine speed and vehicle speed assimilation stops. After the motor is restarted, vehicle
speed is set at 200 km/h {124 mph} and engine speed is set at 1,000 rpm , and control continues. Motor is
rotating: Engine speed and vehicle speed assimilation stops. Engine speed is set at 1,000 rpm and vehicle
speed is set at 200 km/h {124 mph} , and control continues.
06
End Of Sie
ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR FUNCTION [ELECTRO HYDRAULIC POWER
ASSIST STEERING (EHPAS)]
DPE060200000T03
• The PID/data monitor function is used for optionally selecting input/output signal monitor items preset in the
EHPAS control module and reading them out in real-time.
Command name (WDS or
equivalent display)
Input/output part
Unit/operation (WDS or
equivalent display)
CCNT
DTC (Number of continuous DTCs)
—
ENGRPM
Engine speed signal
RPM
MTR_AMP
Motor operating current signal
A
RPM_ACT
Actual motor speed signal
RPM
RPM_TGT
Target motor speed signal
RPM
STEER_RATE
Steering angle sensor
° /s
TEMP_BOARD
Circuit temperature
° C
VPWR
EHPAS control module supply voltage
V
VSS
Vehicle speed signal
KPH/MPH
End Of Sie
ON-BOARD DIAGNOSTIC SYSTEM EXTERNAL TESTER COMMUNICATION FUNCTION [ELECTRO
06–02–3
20677486.011.png 20677486.012.png
ON-BOARD DIAGNOSTIC
HYDRAULIC POWER ASSIST STEERING (EHPAS)]
DPE060200000T04
Outline
• The external tester communication function enables communication of diagnostic data (DTC read-outs, input/
output signal read-outs) between the EHPAS control module and an external tester.
Connections/Communication Contents
External tester
WDS
Connection
Communication method
On-board diagnostic (malfunction
detection) function
Input/output: CAN_H (HS), CAN_L (HS)
Serial communication
PID/DATA monitor function
Input/output: CAN_H (HS), CAN_L (HS)
Serial communication
Serial communication
• Serial communication (two-way communication) allows for multiple data to be sent and received instantly along
the same line.
• By connecting the WDS or equivalent to the DLC-2, diagnostic data can be sent and received between the
WDS or equivalent and the EHPAS control module via CAN lines.
• The EHPAS control module receives the command signals of the malfunction detection function and PID/data
monitor function from the WDS or equivalent, and sends DTCs and data regarding the operating status of each
input/output part to the WDS or equivalent.
DLC-2
DPE402AW1005
Diagnostic function name
Signal received
Signal sent
Malfunction detection function
DTC verification signal
Diagnostic trouble code
PID/DATA monitor function
Command signal to read selected
monitor item
Monitored data for requested monitor
item
DPE060200000T05
• A connector (DLC-2) conforming to International Organization for Standardization (ISO) standards has been
added.
• Shape and terminal arrangement as stipulated by the ISO 15031-3 (SAE J1962) international standard has
been adopted for this connector. The connector has a 16-pin construction that includes the CAN_H (HS),
CAN_L (HS), CAN_H (MS), CAN_L (MS), GND1, GND2 and B+ terminals.
DLC-2
B+
CAN_L
(HS)
CAN_H
(HS)
CAN_L
(MS)
CAN_H
(MS)
GND2
GND1
B3E0602W005
Terminal
Function
CAN_L (HS)
Serial communication Lo terminal (HS)
CAN_H (HS)
Serial communication Hi terminal (HS)
CAN_L (MS)
Serial communication Lo terminal (MS)
CAN_H (MS)
Serial communication Hi terminal (MS)
GND1
Body GND terminal
06–02–4
End Of Sie
DLC-2 CONSTRUCTION [ELECTRO HYDRAULIC POWER ASSIST STEERING (EHPAS)]
20677486.013.png 20677486.014.png

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika:

Zgłoś jeśli naruszono regulamin