GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1997 🢒 Corvette 🢒 DTC 🢒 DTC B2234 Mirror Down Switch Circuit

Object Number: 97851 Size: MF
Power Door Systems Components
Door Control Module Schematics

DTC B2234 -- Mirror DOWN Switch -- Fault -- DCM-Left

Step

Action

Value(s)

Yes

No

1
  1. Disconnect the left Door Control Module (DCM)
  2. While pressing the mirror DOWN switch, measure the resistance between the DCM connector C4 terminal 5 and terminal 9.

Is the resistance within specified range?

<5ohms

Go to Step 2

Go to Step 3

2

Replace the left Door Control Module (DCM).

Is the repair complete?

Recheck the System Operation

3
  1. Disconnect the left door switch connector C4.
  2. While mirror DOWN switch, measure the resistance between the left door switch connector C4 terminal 5 and terminal 9.

Is the resistance within specified range?

<5ohms

Go to Step 4

Go to Step 5

4

Repair the open in CKT 1514 or CKT 150 between the left door switch and the left Door Control Module (DCM).

Is the repair complete?

Recheck the System Operation

5

Replace the left door switch.

Is the repair complete?

Recheck the System Operation