Differential Lock Solenoid Relay

Differential Lock Solenoid Relay
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE





Data are reference value.

DIAGNOSTIC PROCEDURE
1. CHECK DIFFERENTIAL LOCK SOLENOID SYSTEM
Perform self-diagnosis. Refer to RFD-53, SELF-DIAG RESULTS MODE. Displaying & Reading Trouble Codes
Is RELAY [P1844] displayed?
YES >> Perform trouble diagnosis for differential lock solenoid. Refer to RFD-66, Differential Lock Solenoid. Differential Lock Solenoid
NO >> GO TO 2.

2. CHECK DIFFERENTIAL LOCK SOLENOID RELAY SIGNAL

With CONSULT-II
1. Start engine.
2. Select DATA MONITOR mode for DIFF LOCK with CONSULT-II.








3. Read out ON/OFF switching action of RELAY ON.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3

3. CHECK DIFFERENTIAL LOCK CONTROL UNIT
Check differential lock control unit input/output signal. Refer to Differential Lock Control Unit Input/Output Signal Reference Values.
OK or NG
OK >> GO TO 4.
NG >> Check differential lock control unit pin terminals for damage or loose connection with harness connector. If any item is damaged, repair or replace damaged parts.

4. CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK >> INSPECTION END
NG >> Replace differential lock control unit. Refer to DIFFERENTIAL LOCK CONTROL UNIT.