P1188

Test 1 - 5:

Test 6 - 9:

Test 10:

SYMPTOM
P1188 TIP SENSOR PERFORMANCE

TEST NOTE
This symptom is diagnosed using the P0234-OVERBOOST PERFORMANCE.

WHEN MONITORED
During the engine turbocharger boost and non-boost modes.

SET CONDITION
Non-boost Mode: PCM detects a significant difference between TIP Sensor signal and BARO Pressure signal. Boost Mode: The TIP Sensor is unable to read correct boost level.

POSSIBLE CAUSES
- Checking For Other DTCs
- Checking The Hoses And Tubing
- Checking The Vacuum Supply To Surge Solenoid
- Confirm All Solenoid Test
- Good Trip Equal To Zero
- Solenoid # 3 Test
- Solenoid Test # 1
- Solenoid Test # 2
- Solenoid Test # 4
- Turbocharger
- Wastegate Actuator