RM38T0EC
_57
Power Source / Network
_111968
POWER DISTRIBUTION
_0503878
POWER INTEGRATION SYSTEM
C
POWER DISTRIBUTION POWER INTEGRATION SYSTEM B235504 Power Distribution Box System Internal Failure
DESCRIPTION
This DTC is output when the semiconductor power integration ECU detects a load malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B235504 | Power Distribution Box System Internal Failure | ·
Microcomputer abnormality ·
AD circuit trouble ·
The load drive output open or short trouble |
Power distribution box assembly |
WIRING DIAGRAM
2.271,0.375 3.76,0.688
1.49,0.313
10
false
from Auxiliary Battery
0.969,3.385 3.802,3.563
2.833,0.177
10
false
from Ignition or Starter Switch Assembly*2
0.958,4.125 3.875,4.458
2.917,0.333
10
false
from Ignition or Starter Switch Assembly*2
4.125,0.552 5.365,0.719
1.24,0.167
10
false
INP STD NO. 1
4.542,7.594 5.698,7.792
1.156,0.198
10
false
Eatch Load
5.292,6.479 5.75,6.719
0.458,0.24
10
false
CXPI
3.885,6.906 5.521,7.469
1.635,0.563
10
false
Main Body ECU (Multiplex Network Body ECU)
0.979,4.875 3.948,5.188
2.969,0.313
10
false
from Ignition or Starter Switch Assembly*2
0.229,7.625 3.896,7.823
3.667,0.198
10
false
*1: w/ Smart Entry and Start System
0.219,8.052 3.885,8.25
3.667,0.198
10
false
*2: w/o Smart Entry and Start System
0.552,8.448 4.219,8.646
3.667,0.198
10
false
: CXPI Communication Line
0.344,4.458 4.063,4.708
3.719,0.25
10
false
from Certification ECU (Smart Key ECU Assembly)*1
0.333,3.708 4.083,3.958
3.75,0.25
10
false
from Certification ECU (Smart Key ECU Assembly)*1
0.333,2.958 4.083,3.135
3.75,0.177
10
false
from Certification ECU (Smart Key ECU Assembly)*1
0.313,2.5 4.063,2.677
3.75,0.177
10
false
from Certification ECU (Smart Key ECU Assembly)*1
5.406,0.396 5.74,0.563
0.333,0.167
10
false
8J
5.396,1.385 5.729,1.552
0.333,0.167
10
false
8K
5.396,2.969 5.729,3.135
0.333,0.167
10
false
8B
5.385,3.708 5.719,3.875
0.333,0.167
10
false
8B
5.396,4.469 5.729,4.635
0.333,0.167
10
false
8C
5.396,5.708 5.729,5.875
0.333,0.167
10
false
8C
5.396,5.198 5.729,5.365
0.333,0.167
10
false
8B
5.438,0.208 5.771,0.375
0.333,0.167
10
false
1
5.396,2.333 5.729,2.5
0.333,0.167
10
false
10
5.406,2.781 5.74,2.948
0.333,0.167
10
false
24
5.396,3.521 5.729,3.688
0.333,0.167
10
false
38
5.396,4.271 5.729,4.438
0.333,0.167
10
false
17
5.417,5.01 5.75,5.177
0.333,0.167
10
false
45
5.417,5.51 5.75,5.677
0.333,0.167
10
false
25
5.792,7.979 6.917,8.438
1.125,0.458
10
false
Power Distribution Box Assembly
5.396,2.51 5.729,2.677
0.333,0.167
10
false
8B
5.396,1.896 5.729,2.063
0.333,0.167
10
false
8E
5.406,1.708 5.74,1.875
0.333,0.167
10
false
23
5.438,1.188 5.771,1.354
0.333,0.167
10
false
1
5.438,0.708 5.771,0.875
0.333,0.167
10
false
1
5.396,0.896 5.729,1.063
0.333,0.167
10
false
8H
4.125,1.063 5.365,1.229
1.24,0.167
10
false
INP STD NO. 2
4.125,1.542 5.365,1.708
1.24,0.167
10
false
INP STD NO. 3
4.354,2.031 5.188,2.25
0.833,0.219
10
false
D/C CUT
2.271,0.865 3.76,1.177
1.49,0.313
10
false
from Auxiliary Battery
2.271,1.365 3.76,1.677
1.49,0.313
10
false
from Auxiliary Battery
2.271,1.865 3.76,2.177
1.49,0.313
10
false
from Auxiliary Battery
CAUTION / NOTICE / HINT
- NOTICE:
- ·
When using the GTS with the ignition switch to off to troubleshoot:
Connect the GTS to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the GTS and vehicle begins.
·Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1.CONFIRM PROBLEM SYMPTOMS
a.
Check that no dependent system of the power distribution box assembly is malfunctioning.
- HINT:
-
Refer to the link for dependent systems of the power distribution box assembly.
- Result:
Result Proceed to No dependent system of the power distribution box assembly is malfunctioning A A dependent system of the power distribution box assembly is malfunctioning B
A
3.CLEAR DTC
B
2.INSPECT RELATED SYSTEMS
2.INSPECT RELATED SYSTEMS
a.
Perform an inspection for each malfunctioning system by following "HOW TO PROCEED WITH TROUBLESHOOTING".
- Result:
Result Proceed to No related system is malfunctioning A A related system is malfunctioning B
A
3.CLEAR DTC
B
REPAIR OR REPLACE MALFUNCTIONING COMPONENT
3.CLEAR DTC
a.
Clear the DTCs.
- Body Electrical > Power Distribution Box > Clear DTCs
- 50002 475
- Result:
Proceed to NEXT
NEXT
4.CHECK FOR DTC
4.CHECK FOR DTC
a.
Check for DTCs.
- Body Electrical > Power Distribution Box > Trouble Codes
- 50001 475
- Result:
Result Proceed to B235504 is not output A B235504 is output B
A
REPLACE POWER DISTRIBUTION BOX ASSEMBLY
B
USE SIMULATION METHOD TO CHECK