Circuit/System Testing

Test 1

NOTE:

It may take up to 2 min for all vehicle systems to power down before an accurate ground or low reference circuit continuity test can be performed.

1. Ignition/Vehicle & All vehicle systems - Off
2. Disconnect the electrical connector: S13D Door Lock Switch - Driver
3. Test for less than 10 ohms between the test points: Ground circuit terminal 4 & Ground
   • If 10 ohms or greater 
   1. Ground Connection - Disconnect
   2. Test for less than 2 ohms between the test points: Ground circuit terminal 4 @ Component harness & Ground Connection
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Repair the open/high resistance in the ground connection.
   • Go to next step: If less than 10 ohms 
4. Ignition - On/Vehicle - In Service Mode
5. Verify the scan tool parameter: Driver Door Lock Switch = Inactive
   • If not the specified state 
   1. Ignition/Vehicle - Off
   2. Disconnect the electrical connector: X2 @ K9 Body Control Module
   3. Test for infinite resistance between the test points:
      • Signal circuit terminal 2 @ Component harness & Ground
      • Signal circuit terminal 3 @ Component harness & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If infinite resistance - Replace the component: K9 Body Control Module
   • Go to next step: If the specified state 
6. Connect a 3 A fused jumper wire between the test points: Signal circuit terminal 2 & Ground circuit terminal 4
7. Verify the scan tool parameter: Driver Door Lock Switch = Lock
   • If not the specified state 
   1. Ignition/Vehicle - Off & Remove - Jumper wire(s)
   2. Disconnect the electrical connector: X2 @ K9 Body Control Module
   3. Ignition - On/Vehicle - In Service Mode
   4. Test for less than 1 V between the test points: Signal circuit terminal 2 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • Go to next step: If less than 1 V
   5. Ignition/Vehicle - Off
   6. Test for less than 2 ohms between the test points: Signal circuit terminal 2 @ Component harness & Terminal 19 X2 @ Control module harness
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Replace the component: K9 Body Control Module
   • Go to next step: If the specified state 
8. Connect a 3 A fused jumper wire between the test points: Signal circuit terminal 3 & Ground circuit terminal 4
9. Verify the scan tool parameter: Driver Door Lock Switch = Unlock
   • If not the specified state 
   1. Ignition/Vehicle - Off & Remove - Jumper wire(s)
   2. Disconnect the electrical connector: X2 @ K9 Body Control Module
   3. Ignition - On/Vehicle - In Service Mode
   4. Test for less than 1 V between the test points: Signal circuit terminal 3 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • Go to next step: If less than 1 V
   5. Ignition/Vehicle - Off
   6. Test for less than 2 ohms between the test points: Signal circuit terminal 3 @ Component harness & Terminal 15 X2 @ Control module harness
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Replace the component: K9 Body Control Module
   • Go to next step: If the specified state 
10. Test or replace the component: S13D Door Lock Switch - Driver

Test 2

NOTE:

It may take up to 2 min for all vehicle systems to power down before an accurate ground or low reference circuit continuity test can be performed.

1. Ignition/Vehicle & All vehicle systems - Off
2. Disconnect the electrical connector: S13P Door Lock Switch - Passenger
3. Test for less than 10 ohms between the test points: Ground circuit terminal 4 & Ground
   • If 10 ohms or greater 
   1. Ground Connection - Disconnect
   2. Test for less than 2 ohms between the test points: Ground circuit terminal 4 @ Component harness & Ground Connection
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Repair the open/high resistance in the ground connection.
   • Go to next step: If less than 10 ohms 
4. Ignition - On/Vehicle - In Service Mode
5. Verify the scan tool parameter: Passenger Door Lock Switch = Inactive
   • If not the specified state 
   1. Ignition/Vehicle - Off
   2. Disconnect the electrical connector: X7 @ K9 Body Control Module
   3. Test for infinite resistance between the test points:
      • Signal circuit terminal 2 @ Component harness & Ground
      • Signal circuit terminal 3 @ Component harness & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If infinite resistance - Replace the component: K9 Body Control Module
   • Go to next step: If the specified state 
6. Connect a 3 A fused jumper wire between the test points: Signal circuit terminal 2 & Ground circuit terminal 4
7. Verify the scan tool parameter: Passenger Door Lock Switch = Lock
   • If not the specified state 
   1. Ignition/Vehicle - Off & Remove - Jumper wire(s)
   2. Disconnect the electrical connector: X7 @ K9 Body Control Module
   3. Ignition - On/Vehicle - In Service Mode
   4. Test for less than 1 V between the test points: Signal circuit terminal 2 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • Go to next step: If less than 1 V
   5. Ignition/Vehicle - Off
   6. Test for less than 2 ohms between the test points: Signal circuit terminal 2 @ Component harness & Terminal 14 X7 @ Control module harness
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Replace the component: K9 Body Control Module
   • Go to next step: If the specified state 
8. Connect a 3 A fused jumper wire between the test points: Signal circuit terminal 3 & Ground circuit terminal 4
9. Verify the scan tool parameter: Passenger Door Lock Switch = Unlock
   • If not the specified state 
   1. Ignition/Vehicle - Off & Remove - Jumper wire(s)
   2. Disconnect the electrical connector: X7 @ K9 Body Control Module
   3. Ignition - On/Vehicle - In Service Mode
   4. Test for less than 1 V between the test points: Signal circuit terminal 3 @ Component harness & Ground
      • If 1 V or greater - Repair the short to voltage on the circuit.
      • Go to next step: If less than 1 V
   5. Ignition/Vehicle - Off
   6. Test for less than 2 ohms between the test points: Signal circuit terminal 3 @ Component harness & Terminal 24 X7 @ Control module harness
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms - Replace the component: K9 Body Control Module
   • Go to next step: If the specified state 
10. Test or replace the component: S13P Door Lock Switch - Passenger