Briggs & Stratton VANGUARD M490000, Руководство по ремонту

Страница: 34 / 144

2
30
DTC P0113 Signal Voltage High or Open (Non-Scan Diagnostics)
Step Action Yes No
1 1. Disconnect and reconnect MAT sensor and ECM J2 (Black)
connectors.
2. Turn Ignition ON, Engine OFF.
3. Clear codes.
4. Turn Ignition OFF, and then back ON.
5. Does DTC return?
Go to step 2. Problem corrected.
2 1. Turn Ignition OFF.
2. Back probe terminal 2 (Red/White wire) of MAT sensor
connector.
3. Connect terminal 2 back probe to red meter test lead on DVOM.
4. Back probe terminal 4 (Brown wire) of MAT sensor connector.
5. Connect terminal 4 back probe to black meter test lead on
DVOM.
6. Set DVOM to read volts DC.
7. Turn Ignition ON, Engine OFF.
8. Does DVOM read 4.7-5.0 volts DC?
MAT sensor OK. Go to step 3.
3 1. Turn Ignition OFF.
2. Remove probe from terminal 2, and back probe terminal 3 (Tan/
Black wire) of MAT sensor connector.
3. Turn Ignition ON, Engine OFF.
4. Does DVOM read 0.5-4.5 volts DC?
MAT sensor OK. Reading is above
4.5 volts DC.
Replace MAT sensor.
MAT Sensor Connector
Not for
Reproduction