▶ Fault is intermittent caused by poor contact in ICU’s and/or ECM/PCM connector or was repaired and ECM/PCM memory was not cleared. Therefore, Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.

▶ Substitute with a known-good ICU and/or ECM/PCM and check for proper operation. and then go to "Verification of Vehicle Repair" procedure.

▶ After replacing ICU and/or ECM/PCM, perform Key teaching procedure with GDS.