LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Brakes - Esp >> Diagnostic Information And Procedure >> DTC C1027: Esp® Off Switch Circuit Failure >> DTC Troubleshooting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
Was "Electronic Stability Program Check" performed?  Go to Step 2. Go to ELECTRONIC STABILITY PROGRAM CHECK .
Check ESP® OFF switch condition 
Is ESP® OFF switch is OFF condition? 
Go to Step 3. ESP® OFF switch turned OFF condition and recheck.
Check ESP® OFF switch 
  1. Turn ignition switch to OFF position.
  2. Remove ESP® OFF switch referring to ESP® OFF SWITCH REMOVAL AND INSTALLATION .
  3. Check for proper connection at each terminal of ESP® OFF switch.
  4. If OK, then check ESP® OFF switch referring to ESP® OFF SWITCH INSPECTION .

Is it good condition? 
Go to Step 4. Replace ESP® OFF switch.
Check ESP® OFF switch circuit 
  1. Disconnect ESP® control module connector.
  2. Check for proper connection to ESP® control module connector at "E53-7" terminal.
  3. If OK, then check resistance between "E53-7" terminal and vehicle body ground.

Is resistance infinity? 
Substitute a known-good ESP® hydraulic unit/control module assembly and check DTC. "BLU/WHT" wire circuit is shorted to ground.