Engine Speed Signal

MEASURE VOLTAGE SIGNAL FROM TCM

Measure TCM Input Voltage Signal:

1. Turn ignition switch ON (engine OFF).
2. Measure TCM input signal voltage.

Connector & Terminal Voltage
(B52) 4 - body 10.5 Volts, minimum

Select Monitor Function Mode F06
Condition: After engine warm up
Specified data: EREV F06
(engine speed is shown in rpm)

CHECK HARNESS AND CONNECTORS BETWEEN TCM AND ECM

Check Harness And Connectors Between TCM And ECM:

1. Unplug connectors from TCM and ECM.
2. Measure resistance between TCM connector and ECM connector.

Connector & Terminal Resistance
(B52) 4 - (B29) 3 0 Ohms
(B52) 4 - body 1 M Ohm, minimum