LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2007 >> Grand Vitara Base, AWD, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> Diagnostic Information And Procedures >> DTC P0616/P0617: Starter Relay Circuit Low/High >> DTC Troubleshooting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Troubleshooting

NOTE: Before this trouble shooting is performed, read the precautions for DTC troubleshooting by referring to PRECAUTIONS FOR DTC TROUBLESHOOTING .
TROUBLESHOOTING TABLE

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2  Engine start signal check 
  1. Connect scan tool to DLC with ignition switch turned OFF.
  2. Turn ignition switch to ON position.
  3. Check engine start signal of "Starter SW" under "Data List" displayed on scan tool.
    • Ignition switch is at "START" position: "ON".
    • Ignition switch is at other than "START" position: "OFF".

Does "Starter SW" signal correctly? 		 Intermittent trouble. Check for intermittent and poor connection. Go to Step 3.
3  Engine start signal check 
  1. Disconnect connectors from ECM with ignition switch turned OFF.
  2. Check that circuit voltage between start signal terminal of ECM connector and vehicle body ground.
    • Ignition switch is at "START" position: 8 - 14 V
    • Ignition switch is at other than "START" position: 0 - 1 V

Is it in good condition? 		 Substitute a known good ECM and recheck. Repair or replace start signal circuit.
scientia non olet · About LEMON Manuals