Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the Tilt/Telescoping Steering
Column System Check performed?
| --
|
Go to Step
2
| Go to
Tilt/Telescoping Steering Column Diagnostic System Check
|
2
|
- Connect a scan tool to the data link connector (DLC).
- Turn the ignition switch ignition to ON.
- Select TTM on the scan tool.
- Select the data menu and monitor the tilt/telescope switch input
on the scan tool.
- Press the tilt/telescope switch to COLUMN IN, then to COLUMN OUT.
Does the module receive each input as expected, as indicated on the
scan tool?
| --
|
Go to Step 6
|
Go to Step 3
|
3
|
- Turn the ignition switch to OFF.
- Disconnect steering column tilt/telescoping module connector C4.
- Connect a DMM set to ohms scale across connector C4 terminals
D and F.
- Press the tilt/telescope switch to COLUMN IN, then release the
switch.
Refer to
Testing for Continuity
in Wiring Systems.
Does the DMM show less than 0.5 ohms with the switch pressed
and OL with the switch released?
| --
|
Go to Step
4
|
Go to Step 5
|
4
|
- Connect a DMM set to ohms scale across terminals C and F of the
steering column tilt/telescoping module connector C4.
- Press the tilt/telescope switch to COLUMN OUT, then release the
switch.
Refer to
Testing for Continuity
in Wiring Systems.
Does the DMM show less than 0.5 ohms with the switch pressed and OL
with the switch released?
| --
|
Go to Step
8
|
Go to Step 5
|
5
| Replace the tilt/telescope switch.
Is the replacement complete?
| --
|
Go to Step
9
| --
|
6
|
- Turn the ignition switch to OFF.
- Disconnect the steering column tiilt/telescoping module conector
C3.
- Connect a fused jumper from connector C3 terminal C to ground,
and momentarily connect a fused jumper from connector C3 terminal B to battery
positive voltage (B+).
- Repeat the previous step with the connector C3 terminals B and
C reversed.
Refer to
Using Fused Jumper Wires
in Wiring Systems.
Does the telescope motor move the column in for one test and out for
the other test?
| --
|
Go to Step 8
|
Go to Step 7
|
7
| Replace the telescope actuator . Refer to
Telescope Actuator Assembly Replacement - On Vehicle
.
Is the replacement complete?
| --
|
Go to Step
9
| --
|
8
|
- Check the steering column tilt/telescoping module (TTM) connector
C3 for poor terminal contact.
- If OK, replace the Steering Wheel Control Switch Assembly. Refer
to
Steering Wheel Control Switch Assembly Replacement
.
- After replacement, reset the soft stops. Refer to
Steering Column Control Module Programming
.
Is the replacement complete?
| --
|
Go to Step
9
| --
|
9
|
- Make sure any components removed during diagnosis are installed
in place and that all connectors are connected.
- Repeat the system check. Refer to
Tilt/Telescoping Steering Column Diagnostic System Check
.
Is the system check complete?
| --
| System OK
| --
|
