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
Summary of Contents for VANGUARD M490000
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Page 85: ...3 81 MODEL 490000 EFI ELECTRICAL SCHEMATIC PAGE 2 OF 2 N o t f o r R e p r o d u c t i o n ...
Page 95: ...3 91 MODELS 490000 540000 610000 FUSE RELAY BLOCK N o t f o r R e p r o d u c t i o n ...
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