Transmission Control Systems
TROUBLE CODE 32VEHICLE SPEED SENSOR 1
Diagnosis
Input signal circuit of Transmission Control Module (TCM) is open or shorted.
Trouble Symptom
No locking-up or excessive tight corner "braking".
1. Measure signal voltage input of TCM.
a. Raise vehicle and place on safety stands.
CAUTION: On AWD models, raise all wheels off floor.
b. Start the Engine. Set vehicle in 12 miles/h condition.
c. Measure signal voltage input of TCM.
Connector & Terminal / Specified Voltage:
(B53) No. 15 - No. 16 / AC 1 Volts, minimum
Select Monitor Function Mode
- Mode: FO2
- Condition:
Simulated driving.
- Specified Data:
VSP1 FO2
(Vehicle speed) miles/h
- Mode FO3:
"km/h" indication.
2. Check harness and connectors between TCM and Vehicle Speed Sensor 1.
a. Disconnect connector from TCM.
b. Disconnect connector from Transmission.
c. Measure resistance between TCM connector and Transmission connector.
Connector & Terminal / Specified Resistance:
(B53) No. 15 - (B9) No. 16 / 0 Ohms B.
(B53) No. 15 - Body / 1 M-Ohms, minimum
(B53) No. 16 - (B9) No. 9 / 0 Ohms.
(B53) No. 16 - Body / 1 M-Ohms, minimum
3. Check Vehicle Speed Sensor 1.
a. Disconnect connector from transmission.
b. Measure resistance between Transmission connector receptacle terminals.
Connector & Terminal / Specified Resistance:
(T4) No. 16 - No. 9 / 450 - 650 Ohms.