LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2012 >> Equator Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Transfer (4WD) System) >> Diagnostic Information and Procedures >> 4WD Shift Indicator Lamp Keeps Flashing >> Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
DIAGNOSIS PROCEDURE

Step Action YES NO
CONFIRM THE SYMPTOM 
  1. Set 4WD shift switch to "2WD".
  2. Drive the vehicle straight forward and backward keeping speed under 20 km/h (12 MPH).

Does 4WD shift indicator lamp keep flashing? 
GO TO 2. Inspection End.
CHECK SYSTEM FOR WAIT DETECTION SWITCH 
Perform trouble diagnosis for wait detection switch system. Refer to [P1814 WAIT DETECTION SWITCH ].
Are the inspection results normal? 
GO TO 3. Repair or replace damaged parts.
CHECK SYSTEM FOR 4LO SWITCH 
Perform trouble diagnosis for 4LO switch. Refer to [P1810 4 LO SWITCH ].
Are the inspection results normal? 
GO TO 4. Repair or replace damaged parts.
SYMPTOM CHECK 
Check again.
Does the symptom still occur? 
GO TO 5. Inspection End.
CHECK TRANSFER CONTROL UNIT 
Check transfer control unit input/output signal. Refer to [TRANSFER CONTROL UNIT: REFERENCE VALUE ].
Are the inspection results normal? 
GO TO 6. Check transfer control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
CHECK TRANSFER INNER PARTS 
  1. Disassemble transfer assembly. Refer to [TRANSFER ASSEMBLY: DISASSEMBLY AND ASSEMBLY ].
  2. Check transfer inner parts.

Are the inspection results normal? 
Inspection End. Repair or replace damaged parts.