PROCEDURES FOR DETERMINING THE LOCATION OF A MALFUNCTION

System Wiring Diagram

PCM

1. Check the display of DTC U0121 and/or U0155, using the SST (WDS or equivalent). (See DTC TABLE [CAN SYSTEM].)

2. Referring to the following table, determine the malfunctioning part of the CAN system.

ABS/TCS HU/CM or DSC HU/CM

1. Access and monitor the "PCM MSG" and "IC MSG" of PID using the SST (WDS or equivalent).

2. Referring to the PID/DATA MONITOR, confirm the display status of the PID. (See PID/DATA MONITOR TABLE [CAN SYSTEM].)

3. Referring to the following table, determine the malfunctioning part of the CAN system.

Instrument Cluster

1. Access and monitor the "PCM MSG" and "ABS MSG" of PID using the SST (WDS or equivalent).

2. Referring to the PID/DATA MONITOR, confirm the display status of the PID. (See PID/DATA MONITOR TABLE [CAN SYSTEM].)

3. Referring to the following table, determine the malfunctioning part of the CAN system.