☰ Toyota Frontlander☰ فهرستVehicle Exterior › ACOUSTIC VEHICLE ALERTING SYSTEM › ACOUSTIC VEHICLE ALERTING SYSTEM
RM38T0EC
_59
Vehicle Exterior
_144216
ACOUSTIC VEHICLE ALERTING SYSTEM
_0605971
ACOUSTIC VEHICLE ALERTING SYSTEM
J
ACOUSTIC VEHICLE ALERTING SYSTEM ACOUSTIC VEHICLE ALERTING SYSTEM There is No Sound Made
DESCRIPTION
Based on signals received from each ECU, the vehicle approaching speaker controller outputs warning sounds through the vehicle approaching speaker assembly.
WIRING DIAGRAM
3,7.792 5.615,8.063
2.615,0.271
10
false
Vehicle Approaching Speaker Controller
1.469,8.417 3.688,8.677
2.219,0.26
10
false
: CAN Communication Line
0.76,7.448 2.615,7.74
1.854,0.292
10
false
Combination Meter Assembly
0.854,2.365 3.438,2.625
2.583,0.26
10
false
Hybrid Vehicle Control ECU
0.844,4.052 2.479,4.49
1.635,0.438
10
false
Main Body ECU (Multiplex Network Body ECU)
0.615,5.75 2.677,6.167
2.063,0.417
10
false
Skid Control ECU (Brake Booster with Master Cylinder Assembly)
0.083,0.708 1.688,1.135
1.604,0.427
10
false
from Auxiliary Battery
3.563,0.719 4.021,0.917
0.458,0.198
10
false
IG
4.448,6.958 4.906,7.156
0.458,0.198
10
false
GND
3.354,0.615 3.813,0.813
0.458,0.198
10
false
7
3,7.625 4.073,7.833
1.073,0.208
10
false
I281
4.844,6.833 5.302,7.031
0.458,0.198
10
false
12
5.688,5.604 6.146,5.802
0.458,0.198
10
false
A191
5.677,5.771 6.969,6.292
1.292,0.521
10
false
Vehicle Approaching Speaker Assembly
6.031,4.844 6.49,5.042
0.458,0.198
10
false
2
6.021,5.135 6.479,5.333
0.458,0.198
10
false
1
4.448,4.938 4.906,5.135
0.458,0.198
10
false
SP+
4.469,5.25 4.927,5.448
0.458,0.198
10
false
SP-
4.865,4.844 5.323,5.042
0.458,0.198
10
false
3
4.865,5.125 5.323,5.323
0.458,0.198
10
false
4
6.177,4.917 6.635,5.115
0.458,0.198
10
false
+
6.198,5.229 6.656,5.427
0.458,0.198
10
false
-
1.948,0.896 3.552,1.323
1.604,0.427
10
false
ECU-B NO. 2
CAUTION / NOTICE / HINT
- NOTICE:
- ·
Inspect the fuses for circuits related to this system before performing the following procedure.
·The acoustic vehicle alerting system uses the CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting.
PROCEDURE
1.CHECK FOR DTC
a.
Check for DTCs.
- Body Electrical > Acoustic Vehicle Alerting System > Trouble Codes
- 50001 458
- Result:
Result Proceed to B135013 and B135019 are not output A B135013 and B135019 is output B
A
2.PERFORM ACTIVE TEST USING GTS
B
2.PERFORM ACTIVE TEST USING GTS
a.
Perform the Active Test according to the display on the GTS.
- Body Electrical > Acoustic Vehicle Alerting System > Active Test
-
Tester Display Measurement Item Control Range Diagnostic Note Proximity Sound (20km/h,12MPH) 20 km/h (12 mph) vehicle proximity warning sound OFF or ON -
- Body Electrical > Acoustic Vehicle Alerting System > Active Test
-
Tester Display Proximity Sound (20km/h,12MPH) - 50004 458 42005
- Result:
Result Proceed to The warning sound is produced A The warning sound is not produced B
A
REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER
B
3.CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - POWER SOURCE AND BODY GROUND)
3.CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - POWER SOURCE AND BODY GROUND)
a.
Disconnect the I281 vehicle approaching speaker controller connector.
b.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection Condition Specified Condition I281-7 (IG) - Body ground Ignition switch off 11 to 14 V
c.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition I281-12 (GND) - Body ground Always Below 1 Ω
- Result:
Proceed to OK NG
OK
REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR