Test Point 34

TEST POINT 34
PWm interface, actual engine torque

DTC 302

1. Check actual engine torque






a. Connect oscilloscope. Connect the Tester cable with DmE control module connector or adapter terminal 58 and ground. The signal shown must be visible with ignition "ON".






b. Start engine. The signal shown must be visible.

c. If signal is not visible, check wire between DmE control module connector pin 58 and ABS control module connector pin 27 for continuity and short circuit.

2. Check actual engine torque






a. Connect oscilloscope. Connect Tester with DmE control module connector or adapter pin 48 and ground. The signal shown must be visible with ignition "ON".






b. Start engine. The signal shown must be visible.

c. If signal is not visible, check wire between DmE control module connector pin 48 and ABS control module connector pin 13 for continuity and short circuit.