P210B
P210B-ELECTRONIC THROTTLE CONTROL MOTOR PERFORMANCE - BANK B
- When Monitored:
With the throttle body powered and with no DTCs present which result in the throttle being shut or disabled.
- Set Condition:
When the PCM detects a tracking error between the Throttle Position Setpoint and the Relative Throttle Position on Throttle Body 2. One trip fault. ETC light will flash.
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.
1. ACTIVE DTC
NOTE: Before continuing visually inspect the throttle blade and bore for any obstructions. Icing of the throttle body may have caused this code to set.
NOTE: Low battery voltage can also cause excessive current draw, in very hot and very cold ambient temperature. Make sure the battery can pass a Load test before continuing.
NOTE: Diagnose any 5-Volt Supply, Battery, and TP Sensor DTCs before continuing.
1. Ignition on, engine not running.
2. With a scan tool, select View DTCs.
Is the DTC Active at this time?
Yes
- Go To 2
No
- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Checking for an Intermittent DTC.
2. THROTTLE PLATE INSPECTION
1. Turn the ignition off.
2. Remove the Air Cleaner Assembly from the Throttle Body.
3. Check for any signs of a foreign material (ice or dirt) on the Throttle Plate or in the bore causing the Throttle Plate to stick.
Were any problems found?
Yes
- Remove the debris if possible or replace the Throttle Body Assembly. Disconnect the Battery when replacing the Throttle Body Assembly. After installation is complete, use a scan tool and select the ETC RELEARN function.
- Perform the PCM Verification Test. PCM Verification Test.
No
- Go To 3
3. ETC OPERATION
1. Ignition on, engine not running.
2. With a scan tool, perform the ETC Throttle Follower Test.
NOTE: It may be necessary to use a mirror to see the throttle blade.
3. Observe the throttle blade.
NOTE: Make sure the motion of the throttle blade is smooth and that it opens and closes.
Did the ETC motor operate properly?
Yes
- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Checking for an Intermittent DTC
No
- Replace the Throttle Body Assembly. Disconnect the Battery when replacing the Throttle Body Assembly. After installation is complete, use a scan tool and select the ETC RELEARN function.
- Perform the PCM Verification Test. PCM Verification Test.