DTC C1298/98: Linear Solenoid Circuit: Procedure

1. Disconnect the transfer transmission wire connector.
   Fig 1: Identifying E54 Transfer Transmisssion Wire Connector

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2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition
   E54-1 - E54-3	5.0 to 5.5 Ω
   E54-1 - Body ground	10 kΩ or higher
   E54-3 - Body ground	10 kΩ or higher

NG → See step   3 

OK: Go to next step 

1. Disconnect the 4WD control ECU connector.
   Fig 2: Checking Harness & Connector (Transfer Transmission Wire To 4WD Control ECU)

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2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Specified Condition
   A32-13 (SLC+) - E54-1 (BSF)	Below 1 Ω
   A32-32 (SLC-) - E54-3 (SLC)	Below 1 Ω
   A32-13 (SLC+) - Body ground	10 kΩ or higher
   A32-32 (SLC-) - Body ground	10 kΩ or higher

3. Connect the transfer transmission wire connector and 4WD control ECU connector.

   Result

   Result	Proceed to
   OK	A
   OK (when troubleshooting in accordance with PROBLEM SYMPTOMS TABLE)	B
   NG	C

B → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

C → REPAIR OR REPLACE HARNESS OR CONNECTOR (SLC+, SLC- CIRCUIT) 

A → REPLACE 4WD CONTROL ECU 

1. Remove the transfer control solenoid assembly. Refer to REMOVAL .
   Fig 3: Inspecting Transfer Control Solenoid Assembly

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2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition
   Terminal 1 - Terminal 2	5.0 to 5.5 Ω

NG → REPLACE TRANSFER CONTROL SOLENOID ASSEMBLY 

OK → REPLACE TRANSFER TRANSMISSION WIRE