
CIRCUIT INSPECTION
DTC 38 A T Fluid Temperature Sensor Circuit
CIRCUIT DESCRIPTION
The fluid temp. sensor converts fluid temp. into resistance values which is input into the ECM.
DTC No. | Diagnostic Trouble Code Detection Condition | Trouble Area
38 | Either (a) or (b) are detected for 0.5 sec. or more
(a) Temp. sensor resistance less than 79 Ω
(b) After the engine has been operating for 15 minutes or more, the resistance at the temp. sensor is more than 156 kΩ | • Harness or connector between A/T fluid temp. sensor and ECM
• A/T fluid temp. sensor
• ECM
WIRING DIAGRAM
ECM
4 — 6 V
A/T Fluid Temp. Sensor
2 O 24
-Wv- E9 OIL -Wv-
1
BR-B 65
E9 E2
O04346