|
|
Content .. 1108 1109 1110 1111 ..
C1804 VHCL HEIGHT ADJ UP SCS-77 < DTC/CIRCUIT DIAGNOSIS > [AIR LEVELIZER CONTROL SYSTEM] C D F G H I J K L M A B SCS N O P C1804 VHCL HEIGHT ADJ UP DTC Logic INFOID:0000000006256070 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF >> GO TO 2. 2. CHECK DTC DETECTION With CONSULT-III 1. Set vehicle in the unloaded vehicle status. 2. Start the engine and wait 150 seconds or more. 3. Perform “Self Diagnostic Result” in “E-SUS”. Is “C1804” detected ? YES >> Go to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000006256071 1. CHECK APPEARANCE Visually check for malfunction of suspension components, damage of air chamber of rear shock absorber, Is the inspection result normal? YES >> GO TO 2. NO >> Repaire or replace damaged parts. 2. CHECK AIR LEAK Apply soapy water to air tube, connecting portions between air tube and each component, and air chamber of Is the inspection result normal? YES >> GO TO 3. NO >> Repaire or replace damaged parts. 3. CHECK AIR COMPRESSOR RELAY POWER SUPPLY 1. Turn ignition switch OFF. 2. Check 30A fuse (#I). 3. Disconnect air compressor relay connector. 4. Check voltage between air compressor relay harness connector and ground. DTC Display item Malfunction detected condition Possible cause C1804 VHCL HEIGHT ADJ UP The vehicle height is 15 mm (0.59 in) or more lower • Harness or connector ber) • Vehicle height sensor parts • Overloaded |