DTCs which are stored in the ECM can be displayed on the intelligent tester.

The intelligent tester can display pending DTCs and current DTCs. Some DTCs are not stored unless a malfunction is detected in consecutive driving cycles. When a malfunction is detected in only one driving cycle, it is stored as a pending DTC.

When troubleshooting Europe On-Board Diagnostic (Euro-OBD) vehicles, the vehicle must be connected to an OBD scan tool (complying with ISO 15765-4). Various data output from the vehicle ECM can then be read.

Using an oscilloscope, check waveform 1.

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 AB60F AUTOMATIC TRANSMISSION / TRANSAXLE

Preparation for driving

Connect the GTS to the DLC3.

Disconnect the connector of the No. 1 transmission wire and/or No. 2 transmission wire.

Measure the line pressure.

Connect the intelligent tester to the DLC3.

Based on the result of the customer problem analysis, try to reproduce the symptoms. If the problem is that the transmission does not shift up or down, or that the shift point is too high or too low, conduct the following road test referring to the automatic shift schedule and attempt to duplicate the problem symptoms.