Suzuki Vitara (LY) 2016-2017 · Service Manual Diagnostic Information and Procedures

DTC C1160

Precautions: Precautions for Diagnosing Trouble · Precautions for Steering · General safety (00)

DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
C1160: Assist Map Signal Failure
Assist map data is not set in P/S control module.
P/S control module (steering column assembly)
Circuit Diagram
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[A]: P/S control module connector “G55” (View: [a]) 1. To continuous power supply 6. “IG1 SIG” fuse
[B]: P/S control module connector “G50” (View: [a]) 2. To ignition power supply 7. P/S control module / motor assembly
A1. P/S control module power supply circuit 3. Main fuse box 8. CPU
A2. IG1 power supply circuit 4. “P/S” fuse    
A3. P/S control module ground circuit 5. J/B    
DTC Confirmation Procedure
1)Set ignition “ON”.
2)Set ignition “OFF”.
3)Set ignition “ON”.
DTC Troubleshooting
Step Action Yes No
1
Was “P/S System Check” performed?
Go Step 2.
Go to P/S System Check and recheck DTC.
2
P/S control module power supply and ground circuit check
1)Check P/S control module power supply and ground circuits. icon 
Is check result OK?
Substitute a known-good steering column assembly and recheck DTC. icon 
Repair or replace defective wire harness.