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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AS:DTC P0563 SYSTEM VOLTAGE HIGH
DTC DETECTING CONDITION:
Detects when the power supply voltage of ECM is high.
TROUBLE SYMPTOM:
Charge indicator light illuminates.
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-
37, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-30, PROCE-
DURE, Inspection Mode.>.
WIRING DIAGRAM:
MAIN RELAY
5
4
6
3
2
1
B47
B135
B135
1
2
3
4
5
8
9
10
11 12 13 14 15
16 17 18 19
20 21
22 23
24
25
28
29 30 31
32 33
Step
1
CHECK BATTERY.
1) Turn the ignition switch to OFF.
2) Measure the battery voltage and specific
gravity of electrolyte.
GENERATOR
ECM
B47
1
2
6
7
3
4
26 27
5
6
34 35
EN(H4DOTC)(diag)-153
MAIN SBF
SBF-7
Check
Is the voltage more than 12 V
and the specific gravity more
than 1.26?
ENGINE (DIAGNOSTICS)
BATTERY
E
Yes
Go to step 2.
Replace the bat-
tery.
EN-03528
No
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