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TM9-2320-360-20-3
Section 4
TROUBLESHOOTING CHARTS
FLASH CODE:
DDR DISPLAY
SAE J1587 CODE:
33
TURBO BOOST SENSOR INPUT VOLTAGE HIGH
PID: 102 FMI: 3
Indicates that the engine Turbo Boost Sensor (TBS) input to the ECM has exceeded 85% (normally > 4.25 volts)
of the sensor supply voltage. This diagnostic condition is typically:
(1) open sensor return circuit
(2) sensor signal circuit is shorted to the sensor +5 volt supply
FLASH CODE:
DDR DISPLAY
SAE J1587 CODE:
34
TURBO BOOST SENSOR INPUT VOLTAGE LOW
PID: 102 FMI: 4
Indicates that the engine Turbo Boost Sensor (TBS) input to the ECM has dropped below 5% (normally < 0.25
volts) of the sensor supply voltage. This diagnostic condition is typically:
(1) open sensor signal circuit
(2) open sensor +5 volt supply circuit
(3) sensor signal is shorted to the sensor return circuit or to ground
(4) sensor +5 volt supply is shorted to sensor return circuit
FLASH CODE:
35
DDR DISPLAY
OIL PRESSURE SENSOR INPUT VOLTAGE HIGH
SAE J1587 CODE:
PID: 100 FMI: 3
Indicates that the engine Oil Pressure Sensor (OPS) input to the ECM has exceeded 95% (normally > 4.75 volts)
of the sensor supply voltage. This diagnostic condition is typically:
(1) open sensor return circuit
(2) sensor signal circuit is shorted to the sensor +5 volt supply
FLASH CODE:
36
DDR DISPLAY
OIL PRESSURE SENSOR INPUT VOLTAGE LOW
SAE J1587 CODE:
PID: 100 FMI: 4
Indicates that the engine Oil Pressure Sensor (OPS) input to the ECM has dropped below 5% (normally < 0.25
volts) of the sensor supply voltage. This diagnostic condition is typically:
(1) open sensor signal circuit
(2) open sensor +5 volt supply circuit
(3) sensor signal is shorted to the sensor return circuit or to ground
(4) sensor +5 volt supply is shorted to sensor return circuit
FLASH CODE:
41
DDR DISPLAY
TOO MANY SRS (MISSING TRS)
SAE J1587 CODE:
PID: 21 FMI: 0
Indicates that the Synchronous Reference Sensor (SRS) has detected extra pulses, or the Timing Reference
Sensor (TRS) has detected missing pulses.
FLASH CODE:
42
DDR DISPLAY
TOO FEW SRS (MISSING SRS)
SAE J1587 CODE:
PID: 21 FMI: 1
Indicates that the Synchronous Reference Sensor (SRS) has detected missing pulses, or the Timing Reference
Sensor (TRS) has detected extra pulses.
H-19
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