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

DTC P0813-11 / P0813-15

Precautions: Precautions for Diagnosing Trouble · Precautions for Disassembly and Reassembly · Precautions for Transmission / Transaxle · General safety (00)

DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
P00813-11: Reverse Output Circuit – Circuit Short to Ground
Circuit is shorted to ground.
(1 D/C detection logic but transmission warning light does not light up)
•Back up light relay and/or its circuit
•TCM
P0571-24: Reverse Output Circuit – Circuit Short to Battery or Open
Circuit short to battery or open.
(1 D/C detection logic but transmission warning light does not light up)
Circuit Diagram
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[A]: TCM connector (View: [a]) 1. TCM 4. “BACK” fuse
A1: Back up light relay drive circuit 2. Back up light relay    
A2: Back up light relay ground circuit 3. Back up light    
DTC Confirmation Procedure
WARNING:
If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.
•Select a level road with no traffic to minimize the risk of accident.
•Perform the test extremely carefully.
•Perform the road test with 2 persons, a driver and a tester.
NOTE:
•Check that the following condition is satisfied in this procedure.
—11 V < Battery voltage < 15 V
1)Start engine and drive vehicle.
DTC Troubleshooting
Step Action Yes No
1
Was “Twin Clutch System Check” performed?
Go to Step 2.
2
Back up light relay drive circuit check
1)With ignition “OFF”, remove back up light relay.
2)Check for proper terminal connection to back up light relay connector.
3)If connection is OK, set ignition “ON”.
4)Check that voltage between “A1” and “A2” is battery voltage.
Is check result OK?
Go to Step 4.
Go to Step 3.
3
Back up light relay ground circuit check
1)Check that voltage between “A1” and ground is battery voltage.
Is check result OK?
Repair “A2” circuit.
Repair “A1” circuit.
If this DTC is detected again, replace TCM and recheck DTC. icon 
4
Back up light relay check
1)Check back up light relay. icon 
Is check result OK?
Check for intermittent trouble. icon 
Replace back up light relay.