Electric Load Signal Circuit Check: Troubleshooting

DIAGNOSIS PROCEDURE

Step	Action	YES	NO
1	Do you have SUZUKI scan tool?	Go to Step 2.	Go to Step 3.
2	Check electric load signal circuit Connect SUZUKI scan tool to DLC with ignition switch OFF. Start engine and select "DATA LIST" mode on scan tool. Check electric load signal under the following each condition. SUZUKI Scan tool display Ignition switch ON, Small light, heater blower fan and rear defogger all turned OFF: OFF Ignition switch ON, Small light, heater blower fan and rear defogger all turned ON: ON Is check result satisfactory?	Electric load signal circuit is in good condition.	"YEL/BLK" and/or "BLU/BLK" circuit open or short, electric load diodes malfunction or each electric load circuit malfunction.
3	Check electric load signal circuit Remove ECM from vehicle body referring to ENGINE CONTROL MODULE (ECM) REMOVAL AND INSTALLATION and connect connectors to ECM. Turn ignition switch ON. Check voltage at each terminals "G04-14" and "G04- 24" of ECM connector connected, above each condition. Voltage at "G04-14" Ignition switch ON, Small light, heater blower fan and rear defogger all turned OFF: 0 V Ignition switch ON, Small light, heater blower fan and rear defogger all turned ON: 10 - 14 V Voltage at "G04-24" Ignition switch ON, Small light, heater blower fan and rear defogger all turned OFF: 10 - 14 V Ignition switch ON, Small light, heater blower fan and rear defogger all turned ON: 0 V Is each voltage as specified?	Electric load signal circuit is in good condition.	"YEL/BLK" and/or "BLU/BLK" circuit open or short, electric load diodes malfunction or each electric load circuit malfunction.