Assumed symptom from PD mode
Blinking
PD circuit
Check portion
Main symptom
Remarks
2
Power PD
Power Supply
Scan Ass'y
Short between VH and GNDH, Scan IC
PD with panel briefly flashing
Malfunction of DC/DC converter, for VH
PD with panel briefly flashing
Short between VSUS, SUSOUT, or SUSGND, Mask
Module
PD without panel flashing
Disconnect connector between Y Drive and Power
Supply, or Digital Assy.
PD without panel flashing
X Drive Assy
Short between VSUS, SUSOUT, or SUSGND, Mask
Module
PD without panel flashing
SCAN Ass'y
Short between IC5V and GNDH, Scan IC
Disconnect bridge connector, between Scan Assy and
Y Drive,
R2352 open (16.5V line resistor)
PD without panel flashing
Malfunction of DC/DC converter, for IC5V
5
Y-DRIVE PD
Delete detection circuit
Short between PSUS and MSKS, Mask Module
Short between MSKS and SUSOUT, Mask Module
PD with panel briefly flashing
Malfunction of DC/DC converter, for VOFS
Malfunction of Regulator of Vprst
Malfunction of DK module
Control signal line problem
8
Address PD
Address Assy
9
X-DRIVE PD
X Drive Assy
Disconnect Flexible cable, between Digital Assy and X
Drive
Disconnect connector between X Drive and Power
Supply
Malfunction of DC/DC converter, for VRN
R1204 open (16.5V line resistor)
PD without panel flashing
Malfunction of DK module
Control signal line problem
Y Drive Assy
Y Drive Assy
6
Y DCDC PD
Y Drive Assy
3
SCAN PD
4
IC5V PD
7
10
11
X SUS PD
X Drive Assy
X DCDC PD
X Drive Assy
Y Drive Assy
Y SUS PD
33