Does Not Resume, Set, Accelerate, or Tap Up or Down
Step
| Action
| Value(s)
| Yes
| No
|
DEFINITION: Cruise Control will not respond when any of
the switches are used at the stalk mounted lever.
|
1
| Where you sent here from the Cruise Control Diagnostic System Check?
| --
|
Go to Step
2
| Go to
Cruise Control System Check
|
2
| Check the CR CONT
Minifuse® #20 for an open circuit.
Is the fuse open?
| --
|
Go to Step 4
|
Go to Step 3
|
3
|
- Disconnect connector C217.
- Connect a DMM between connector C217 terminal B and ground.
- Turn the ignition switch to the ON position.
- Measure the available voltage at connector C217 terminal B.
Is the voltage within the specified values?
| 10.0 -14.0V
|
Go to Step 13
|
Go to Step 5
|
4
|
- Remove the open fuse.
- Disconnect connector C217.
- Disconnect the DRL Control Module.
- Using a DMM, measure the resistance between ground and the connector
C217 terminal B leading towards the instrument panel electrical center.
Is CKT 1239 continuous to ground?
| --
|
Go to Step 9
|
Go to Step 6
|
5
| Repair
an open in CKT 1239.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
6
|
- Disconnect the throttle actuator (TAC) control module.
- Using a DMM, measure the resistance between ground and connector
C217 terminal A leading towards the throttle actuator (TAC) control module
connector C2.
Is CKT 397 continuous to ground?
| --
|
Go to Step 10
|
Go to Step 7
|
7
| Using
a DMM, measure the resistance between ground and connector C217 terminal C
leading towards the throttle actuator (TAC) control module connector C2.
Is CKT 84 continuous to ground?
| --
|
Go to Step 11
|
Go to Step 8
|
8
| Using
a DMM, measure the resistance between ground and connector C217 terminal D
leading towards the throttle actuator (TAC) control module connector C2.
Is CKT 87 continuous to ground?
| --
|
Go to Step 12
|
Go to Step 22
|
9
| Repair
CKT 1239 for a short to ground.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
10
| Repair a short to ground in CKT 397.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
11
| Repair a short to ground in CKT 84.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
12
| Repair a short to ground in CKT 87.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
13
|
- Reconnect connector C217.
- Using a DMM, backprobe connector C217 terminal A with the positive
lead.
- Connect the negative lead from the DMM to ground.
- Turn the ignition switch to ON.
- Turn the cruise control ON/OFF switch to ON.
- Measure the available voltage at connector C217 terminal A with
the cruise control switch in the ON position.
Is the voltage within the specified values?
| 10.0 -14.0V
|
Go to Step 14
|
Go to Step 22
|
14
|
- Using a DMM, backprobe connector C217 terminal C with the positive
lead.
- Connect the negative lead from the DMM to ground.
- Turn the ignition switch to ON.
- Turn the cruise control ON/OFF switch to ON.
- Measure the available voltage at connector C217 terminal C with
the SET button depressed.
Is the voltage within the specified values?
| 10.0 -14.0V
|
Go to Step 15
|
Go to Step 22
|
15
|
- Using a DMM, backprobe connector C217 terminal D with the positive
lead.
- Connect the negative lead from the DMM to ground.
- Turn the ignition switch to ON.
- Turn the cruise control ON/OFF switch to ON.
- Measure the available voltage at connector C217 terminal
D with the RESUME/ACCEL button depressed.
Is the voltage within the specified values?
| 10.0 -14.0V
|
Go to Step 16
|
Go to Step 22
|
16
|
- Disconnect the throttle actuator control (TAC) module connector
C2.
- Connect a DMM between the TAC module connector C2 terminal 14
and ground.
- Turn the ignition switch to ON.
- Turn the cruise control ON/OFF switch to ON.
- Measure the available voltage at the TAC module connector C2 terminal
14.
Is the voltage within the specified values?
| 10.0 -14.0V
|
Go to Step 17
|
Go to Step 19
|
17
|
- Connect a DMM between the TAC module connector C2 terminal 4 and
ground.
- Turn the ignition switch to ON.
- Turn the cruise control ON/OFF switch to ON.
- Measure the available voltage at the TAC module connector C2 terminal
4 with the SET button depressed.
Is the voltage within the specified values?
| 10.0 -14.0V
|
Go to Step 18
|
Go to Step 20
|
18
|
- Connect a DMM between the TAC module connector C2 terminal 5 and
ground.
- Turn the ignition switch to ON.
- Turn the cruise control ON/OFF switch to ON.
- Measure the available voltage at the TAC module connector C2 terminal
5 with the RESUME/ACCEL button depressed.
Is the voltage within the specified values?
| 10.0 -14.0V
|
Go to Step 23
|
Go to Step 21
|
19
| Repair the open in CKT 397.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
20
| Repair the open in CKT 84.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
21
| Repair the open in CKT 87.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
22
| Replace the cruise control switch.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
23
|
- Connect a DMM between the TAC module connector C2 terminal 7 and
ground.
- Turn the ignition switch to ON.
- Measure the available voltage at the TAC module connector C2 terminal
7.
Is the voltage within the specified values?
| 10.0 -14.0V
|
Go to Step 24
|
Go to Step 25
|
24
| Replace the throttle actuator control (TAC) module.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
25
| Check the THROT CONT Minifuse® #17 for an open circuit.
Is the fuse open?
| --
|
Go to Step 26
|
Go to Step 27
|
26
| Repair
a short to ground in CKT 539.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
27
|
- Connect a DMM between the THROT CONT Minifuse® #17 terminal
A and ground.
- Turn the ignition switch to ON.
- Measure the available voltage at the THROT CONT Minifuse®
#17 terminal A.
Is the voltage within the specified values?
| 10.0 -14.0V
|
Go to Step 28
| Go to
Ignition Relay Diagnosis in Engine Controls
|
28
| Repair the open in CKT 539.
Is the repair complete?
| --
| Go to
Cruise Control System Check
| --
|
