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 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.
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.
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.
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 TTM. Refer to
Tilt/Telescoping Module 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 System Check
.
Is the system check complete?
| --
| System OK
| --
|
