Dell 2130cn Service Manual page 264

Step
Checking the connectors of the CLUTCH ASSY DRV (Regi
Clutch) for connection
Check the connections between the PWBA MCU and
CLUTCH ASSY DRV.
Are P/J26 and P/J262 connected correctly?
30
Checking the HARN ASSY KSNR REGCL for continuity
Disconnect J26 from the PWBA MCU.
31
Disconnect P262 from the CLUTCH ASSY DRV.
Is each cable of J26 <=> P262 continuous?
Checking the power to the CLUTCH ASSY DRV
Disconnect J26 from the PWBA MCU.
32 Is the voltage across P26-4pin <=> ground on the PWBA
MCU, about +24 VDC when the Interlock Switch (HARN
ASSY INTERLOCK) is pushed?
Checking the CLUTCH ASSY DRV for resistance
Disconnect P/J262 of the CLUTCH ASSY DRV.
33
Is the resistance across J262-1 and J262-2 approximately
280-ohm?
Check
1 - 238
Chapter 1 Troubleshooting
Remedy
Yes
Reconnect the
connector(s) P/
Go to step 31.
J26 and/or P/J262
correctly.
Replace the
Go to step 32. HARN ASSY
KSNR REGCL.
Replace the
PWBA MCU.
Go to step 33. (Refer to Removal
43/ Replacement
11.)
Replace the Replace the
PWBA MCU. CLUTCH ASSY
(Refer to Removal DRV. (Refer to
43/ Replacement Removal 30/
11.) Replacement 24.)
No