Operation CHARM: Car repair manuals for everyone.
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1, 2 and 3 Digit Codes: 136

Diagnostic Chart:






Trouble Code Number
- Scan tool 136
- MIL 24

Fault Message
- No 5 Volts to Throttle Position Sensor

Background
- The voltage of 5 volts is supplied to the TPS. If this voltage is extremely low, the TPS output deviates from standard value.

Range of Check
- Vehicle speed: More than 20 mph
- Engine speed: 1,500 r/min. or more
- Manifold vacuum: Less than 100 mmHg

Set Condition
- The output voltage of TPS is lower than the specified value.

Probable Cause
- Sensor signal circuit shorted to ground
- Throttle position sensor failed
- Loss of 5-volt supply