Starter Solenoid Does Not Click. Cadillac Concours 1997

For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---

1

1. Place gear selector in the PARK position.
2. Turn the ignition switch to the START position.
3. Observe the SECURITY indicator.

Does the indicator stay on or flash continuously?

--

Refer to Universal Theft Deterrent (UA6) Diagnostic System Check Cell 133 in Electrical Diagnosis

Go to Step 2

2 | Perform the battery load test. Refer to Battery Load Test. Did the battery check as OK? | -- | Go to Step 3 | Go to Step 10
3 | Check the battery cables and connections. Are the battery cables and connections OK? | -- | Go to Step 4 | Go to Step 11

4

1. Remove both INJ Fuses from the Engine Compartment Fuse/Relay Center to prevent the engine from starting.
2. Turn the ignition switch to the START position.
3. Using a DMM, measure the voltage at the starter solenoid terminal S, CKT 6 (PPL) to ground.

Is the measured voltage greater than the specified value?

8 V

Go to Step 12

Go to Step 5

5

1. Disconnect CKT 6 (PPL) from the starter solenoid.
2. Turn the ignition switch to the START position.
3. Using a DMM, measure the voltage at the starter enable relay terminal E, CKT 6 (PPL) to ground.

Is the measured voltage greater than the specified value?

8 V

Go to Step 13

Go to Step 6

6

1. Reconnect CKT 6 (PPL) to the starter solenoid.
2. Backprobe with a test lamp between Battery Positive Voltage (B+) and the starter enable relay terminal D, CKT 625 (YEL/BLK).
3. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 7

Go to Step 14

7 | Backprobe with a test lamp between the starter enable relay terminal B, CKT 142 (RED) and ground. Does the test lamp light? | -- | Go to Step 8 | Go to Step 16

8

1. Backprobe with a test lamp between the starter enable relay terminal F, CKT 1737 (YEL) and ground.
2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 9

Go to Step 19

9 | Replace the starter enable relay. Refer to R & R Starter Enable Relay in Theft Deterrent Systems. Is the starter enable relay replacement complete? | -- | Go to Starter and Charging System Check | --
10 | Replace the battery. Refer to Battery . Is the battery replacement complete? | -- | Go to Starter and Charging System Check | --
11 | Repair the battery cable connections or replace battery cables as needed. Refer to Battery Cable . Is the battery cable repair complete? | -- | Go to Starter and Charging System Check | --

12

1. Check for poor connections at starter solenoid terminal S, CKT 6 (PPL).
2. Check for dirty or poor ground between starter and engine block. Refer to Starter Motor Inspection .
3. If OK, replace the starter. Refer to Starter Motor Replacement .

Is the starter replacement complete?

--

Go to Starter and Charging System Check

--

13 | Repair the open or short to ground in CKT 6 (PPL). Refer to Electrical Repairs Cell 5 in Electrical Diagnosis. Is the circuit repair complete? | -- | Go to Starter and Charging System Check | --
14 | Check for an open in CKT 625 (YEL/BLK). Is CKT 625 OK? | -- | Go to Step 15 | Go to Step 28
15 | Replace the Instrument Panel Cluster (IPC). Refer to Instrument Panel Cluster Replacement in Instrument Panel, Console, and Gages. Is the Instrument Panel Cluster (IPC) replacement complete? | -- | Go to Starter and Charging System Check | --
16 | Check the BATT1 Fuse in the RH MaxiFuse® Block for an open. Is the BATT1 Fuse OK? | -- | Go to Step 18 | Go to Step 17

17

1. Repair the short to ground in CKT 142 (RED). Refer to Electrical Repairs Cell 5 in Electrical Diagnosis.
2. Replace the BATT1 Fuse in the RH MaxiFuse® Block. Refer to Electrical Repairs Cell 5 in Electrical Diagnosis.

Is the circuit repair and fuse replacement complete?

--

Go to Starter and Charging System Check

--

18 | Repair the open in CKT 142 (RED). Refer to Electrical Repairs Cell 5 in Electrical Diagnosis. Is the circuit repair complete? | -- | Go to Starter and Charging System Check | --

19

1. Backprobe with a test lamp between the park/neutral position (PNP) switch connector C1 terminal G, CKT 5 (YEL).
2. Place the ignition switch in the START position.

Does the test lamp light?

--

Go to Step 26

Go to Step 20

20 | Backprobe with a test lamp between the ignition switch connector C202 terminal D5, CKT 342 (RED). Does the test lamp light? | -- | Go to Step 21 | Go to Step 23
21 | Check for an open in CKT 5 (YEL). Is the CKT 5 OK? | -- | Go to Step 22 | Go to Step 28
22 | Replace the ignition switch. Refer to Ignition Switch Assembly in Tilt Strg Col Unit Repair (SIR). Is the ignition switch replacement complete? | -- | Go to Starter and Charging System Check | --
23 | Check the BATT2 Fuse in the RH MaxiFuse® Block for an open. Is the BATT2 Fuse OK? | -- | Go to Step 25 | Go to Step 24

24

1. Repair the short to ground in CKT 342 (RED). Refer to Electrical Repairs Cell 5 in Electrical Diagnosis.
2. Replace the BATT2 Fuse in the RH MaxiFuse® Block. Refer to Electrical Repairs Cell 5 in Electrical Diagnosis.

Is the circuit repair and fuse replacement complete?

--

Go to Starter and Charging System Check

--

25 | Repair the open in CKT 342 (RED). Refer to Electrical Repairs Cell 5 in Electrical Diagnosis. Is the circuit repair complete? | -- | Go to Starter and Charging System Check | --
26 | Check for an open in CKT 1737 (YEL). Is the CKT 1737 OK? | -- | Go to Step 27 | Go to Step 28
27 | Replace the park/neutral position (PNP) switch. Refer to 4T80-E Transaxle On-Vehicle Service . Is the park/neutral position (PNP) switch replacement complete? | -- | Go to Starter and Charging System Check | --
28 | Repair the suspect circuit. Refer to Electrical Repairs Cell 5 in Electrical Diagnosis. Is the circuit repair complete? | -- | Go to Starter and Charging System Check | --