2011 Suzuki Equator BaseFACTORY OEM SERVICE PROCEDURE

Flash Code Chart

WARNING: This page is about a different variant/trim than selected.
FLASH CODE CHART

Flashing pattern Item Diagnostic item is detected when... Reference
2 Output shaft revolution signal (from TCM)
  • Malfunction is detected in output shaft revolution signal that is output from TCM through CAN communication.
  • Improper signal is input while driving.
 P1807 Vehicle Speed Sensor (A/T) 
3 Vehicle speed signal (from ABS)
  • Malfunction is detected in vehicle speed signal that is output from ABS actuator and electric unit (control unit) through CAN communication.
  • Improper signal is input while driving.
 P1808 Vehicle Speed Sensor (ABS) 
4 CAN communication Malfunction has been detected from CAN communication. 4WD System: CAN Communication 
5 AD converter AD converter system of transfer control unit is malfunctioning. P1802 - P1804, P1809 Transfer Control Unit 
6 4LO switch Improper signal from 4LO switch is input due to open or short circuit. P1810 4 LO Switch 
7 Engine speed signal
  • Malfunction is detected in engine speed signal that is output from ECM through CAN communication.
  • Improper signal is input while driving.
 P1820 Engine Speed Signal 
8 Power supply Power supply voltage for transfer control unit is abnormally low while driving. P1801, P1811 Power Supply Circuit for Transfer Control Unit 
9 4WD shift switch More than two switch inputs are simultaneously detected due to short circuit of 4WD shift switch. P1813 4WD Shift Switch 
10 Wait detection switch Improper signal from wait detection switch is input due to open or short circuit. P1814 Wait Detection Switch 
11 Actuator motor
  • Motor does not operate properly due to open or short circuit in actuator motor.
  • Malfunction is detected in the actuator motor. (When 4WD shift switch is operated and actuator motor is not operated.)
  • Malfunction is detected in transfer shift high relay or transfer shift low relay.
 P1817 Actuator Motor 
12 Actuator position switch
  • Improper signal from actuator position switch is input due to open or short circuit.
  • Malfunction is detected in the actuator position switch.
 P1818 Actuator Position Switch 
13 Transfer control device
  • Malfunction is detected in transfer shut off relay 1 and transfer shut off 2.
  • Malfunction occurs in transfer control device drive circuit.
 P1819 Transfer Control Device 
14 PNP switch signal When PNP switch signal is malfunctioning. P1816 PNP Switch (A/T)  (A/T models), P1816 PNP Switch (M/T)  (M/T models)
Repeats flickering every 0.25 sec. Data erase display
  • Power supply failure of memory back-up.
  • Battery is disconnected for a long time.
  • Battery performance is poor.
 P1801, P1811 Power Supply Circuit for Transfer Control Unit 
Repeats flickering every 2 to 5 sec. - Circuits that the self-diagnosis covers have no malfunction. -
No flickering PNP switch or 4WD shift switch PNP switch or 4WD shift switch circuit is shorted or open. P1816 PNP Switch (M/T)  (M/T models) or P1816 PNP Switch (A/T)  (A/T models) or P1813 4WD Shift Switch .
NOTE: If actuator position switch" or transfer control device" is displayed, first erase DTC. (They may be displayed after installing transfer control unit or transfer assembly.)
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.