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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> Starter Solenoid Does Not Click

Starter Solenoid Does Not Click

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Starter Solenoid Does Not Click

Step Action Yes No
Schematic Reference: Starting and Charging Schematics 
Connector End View Reference: Master Electrical Component List
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 Turn the ignition switch to the start position.
Does the engine crank?		 Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the Starter Relay Command parameter in the engine control module (ECM) data list.
  4. Turn the ignition switch to the start position.
Does the scan tool display ON?		 Go to Step 5  Go to Step 4 
4
  1. Turn ON the ignition, with the engine OFF.
  2. Verify that the transmission is in Park or Neutral.
  3. With a scan tool, observe the PNP switch parameter in the engine control module (ECM) data list.
Does the scan tool display Park/Neutral?		 Go to Step 6  Go to Diagnostic Trouble Code (DTC) List - Vehicle
5 Turn the ignition switch to the start position.
Did the crank relay click?		 Go to Step 8  Go to Step 6 
6
  1. Turn OFF the ignition.
  2. Remove the crank relay.
  3. Turn ON the ignition, with the engine OFF.
  4. Connect a test lamp between the control circuit of the crank relay coil and a good ground.
  5. Turn the ignition switch to the start position.
Does the test lamp illuminate?		 Go to Step 7  Go to Step 15 
7
  1. Connect a test lamp between the control circuit of the crank relay coil and the ground circuit of the crank relay.
  2. Turn the ignition switch to the start position.
Does the test lamp illuminate?		 Go to Step 8  Go to Step 12 
8
  1. Turn ON the ignition.
  2. Connect a test lamp between the battery positive voltage circuit of the crank relay switch circuit and a good ground.
  3. Turn the ignition switch to the start position.
Does the test lamp illuminate?		 Go to Step 9  Go to Step 17 
9
IMPORTANT: Ensure the parking brake is applied and the transmission is in park equipped with an automatic transmission or neutral on a manual transmission.
Connect a 30-amp fused jumper between the battery positive voltage circuit of the crank relay switch circuit and the supply voltage circuit of the starter solenoid.Does the engine crank?		 Go to Step 13  Go to Step 10 
10 Does the fuse in the jumper open? Go to Step 18  Go to Step 11 
11 Test the supply voltage circuit of the starter solenoid for a high resistance or open. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 22  Go to Step 14 
12 Test the ground circuit of the crank relay for an open or a high resistance. Refer to Circuit Testing and Wiring Repairs .
Did you complete the repair?		 Go to Step 22  -
13 Inspect for poor connections at the crank relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 22  Go to Step 19 
14 Inspect for poor connections at the starter solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 22  Go to Step 20 
15 Repair an open or high resistance in the control circuit of the crank relay coil. Refer to Wiring Repairs .
Did you complete the repair?		 Go to Step 22  Go to Step 16 
16 Inspect for poor connections at the harness connector of the ECM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 22  Step 21 
17 Repair the open or high resistance in the battery positive voltage circuit of the crank relay switch. Refer to Wiring Repairs .
Did you complete the repair?		 Go to Step 22  -
18 Repair the short to ground in the supply voltage circuit of the starter solenoid. Refer to Wiring Repairs .
Did you complete the repair?		 Go to Step 22  -
19 Replace the crank relay.
Did you complete the replacement?		 Go to Step 22  -
20 Replace the starter motor. Refer to Starter Motor Replacement .
Did you complete the replacement?		 Go to Step 22  -
21 Replace the ECM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 22  -
22 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
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