Operation CHARM: Car repair manuals for everyone.

Engine Code

Test 1 - 2:




Test 3 - 7:




Test 8:






SYMPTOM
P0123-THROTTLE POSITION SENSOR NO.1 HIGH

WHEN MONITORED
With the ignition on. Battery voltage greater than 10 volts.

SET CONDITION
Throttle Position Sensor voltage at the PCM is greater than 4.47 volts for 1.3 seconds. One Trip Fault.

POSSIBLE CAUSES
- Throttle position sensor sweep
- Intermittent condition
- Throttle position sensor
- (K22) TP sensor no.1 signal circuit shorted to battery voltage
- (K22) TP sensor no.1 signal circuit open
- (K22) TP sensor no.1 signal circuit shorted to the (K7) 5-volt supply circuit
- (K4) sensor ground circuit open
- PCM