Circuit/System Verification
WARNING: This page is about a different variant/trim than selected.
- Ignition - On/Vehicle - In Service Mode
- Verify there are no DTCs set related to the following component/system:
- B14A Transmission Output Shaft Speed Sensor
- B15 Transmission Internal Mode Switch
- B25B Clutch Pedal Position Sensor
- B26 Crankshaft Position Sensor
- B34 Engine Coolant Temperature Sensor
- B66 Intake Air Temperature Sensor
- B74 Manifold Absolute Pressure Sensor
- B75C Multifunction Intake Air Sensor
- B106 Throttle Position Sensor
- B107 Accelerator Pedal Position Sensor
- B115 Vehicle Speed Sensor
- Q17 Fuel Injector
- Q38 Throttle Body
- T8 Ignition Coil
- 5 V Reference Circuit
- Engine Misfire
- Fuel Trim System
- If a related DTC is set
- Go to next step: If a related DTC is not set
- Verify the following conditions do not exist:
- Air Cleaner Element - Dirty/Water intrusion/Visible Damage
- Exhaust System
- Leaking - Refer to: Exhaust Leakage
- Loose Clamps
- Missing components
- Restrictions - Refer to: Restricted Exhaust
- Visible Damage
- Intake Air Duct - Loose/Poor Connection/Restrictions/Visible Damage
- Intake Manifold - Vacuum leak
- Mechanical Condition @ Engine - Altered air flow
For example:
- Exhaust Port or Intake Port @ Cylinder Head - Casting Flash/Restrictions
- Exhaust Valve or Intake Valve - Leaking/Stuck
- Intake Manifold - Casting Flash/Restrictions/Vacuum leak
- Positive Crankcase Ventilation System - Dirty/Leaking/Poor Connection/Restricted - Refer to: Crankcase Ventilation System Inspection/Diagnosis
- Vacuum Hoses - Incorrect connection/Kinked/Leaking/Restricted
- If a condition exists
Repair or replace as necessary
- Go to next step: If no condition exists
- 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 DTC P1400 is not set.
- If the DTC sets
A condition with the system still exists - Repeat step 3
- Go to next step: If no DTC is set
- If the DTC sets
- All OK.