Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.

Ignition - Cycle Off and On & Cycle On and Off
Verify a click can be heard or felt at the component when the ignition was cycled: KR75 Engine Controls Ignition Relay
- If a click cannot be heard or felt
  Refer to: Circuit/System Testing
- Go to next step: If a click can be heard or felt
Verify the following parameters are within 3 V of each other:
- Engine Controls Ignition Supply Voltage Feedback Signal
- Ignition and Start Signal
  or
- Engine Controls Ignition Supply Voltage Feedback Circuit 3
- Ignition and Start Signal
- If not within 3 V of each other
  Refer to: Circuit/System Testing
- Go to next step: If within 3 V of each other
Verify the scan tool parameter:
- Engine Controls Ignition Supply Voltage Feedback Signal = The value should not spike or drop out.
- Engine Controls Ignition Supply Voltage Feedback 3 Signal = The value should not spike or drop out.
- Perform the action while monitoring the parameter:
- Wiggle the harness and connector: K20 Engine Control Module
- Wiggle the harness and connector: X50A Fuse Block - Underhood
- If the value spikes or drops out
  Repair as necessary - Wiring / Terminal (s) / Electrical Connector (s)
- Go to next step: If the value does not spike or drop out
Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
- If the DTC sets
  Refer to: Circuit/System Testing
- Go to next step: If the DTC does not set
All OK.