Service manual

6.3.8 Super charger
Item Checked components Instrument function Reference Value Failed condition
1 1k: F501
2K/3K F801
Ω
0 Open
2 1k: REC 501 (~ +)/(-~)
2K/3K: REC 801 (~+)/(-~)
Diode Voltage Droop 0.4V Open/Short
3 1K: Q501/Q502 (SD)
2K/3K: Q801/Q802 (SD)
Diode Voltage Droop 0.4V Open/Short
4 1K:U502
2K/3K: U803
PIN 5-6
PIN 5-7
PIN 4-8
Ω
47K
20K
7.48K
Short circuit/Open
5 1K: D501, 504
2K/3K D801/809
Diode Voltage Droop 0.45 Short or open
6 1K: R515, R516
2/3K: R816, R817, R821
Ω 0.15Ω
0.1Ω
Open/ Burn
7 1K: R522/R507
2/3K: R813/R815
Ω
22
47
Short or open
On the Super charger, adjust the value of VR1 can adjust the output voltage of the charger.
6.3.9 IGBT Driver Module Analysis
Item Checked components Instrument function Reference Value Failed condition
1 U701.PIN2/PIN3 Diode Voltage Droop 0.54 Short or open
2
R707
Ω
10.00 Open or too high
3
R708, R709
Ω
20.00 Open
4
Q702 (E.B, E.C)
Q703 (B.E, C.E)
Diode Voltage Droop 0.64,1.00 Short or open
Since failure of IGBT may also cause R708, R709, Q702, Q703 and U701, so after
replace the failure IGBT remember to check the IGBT driver module, replace damage component
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