INSPECTION PROCEDURE 1. INSPECT SHIFT SOLENOID VALVE SL1  (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise. OK:
If the result is not as specified, replace the solenoid valve. 2. INSPECT SHIFT SOLENOID VALVE S1  (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise. OK:
If the result is not as specified, replace the solenoid valve. 3. INSPECT SHIFT SOLENOID VALVE S2  (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise. OK:
If the result is not as specified, replace the solenoid valve. 4. INSPECT SHIFT SOLENOID VALVE S3  (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise. OK:
If the result is not as specified, replace the solenoid valve. 5. INSPECT SHIFT SOLENOID VALVE S4  (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise. OK:
If the result is not as specified, replace the solenoid valve. 6. INSPECT SHIFT SOLENOID VALVE SL2  (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise. OK:
If the result is not as specified, replace the solenoid valve. 7. INSPECT SHIFT SOLENOID VALVE SR  (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise. OK:
If the result is not as specified, replace the solenoid valve. 8. INSPECT SHIFT SOLENOID VALVE SLT  (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise. OK:
If the result is not as specified, replace the solenoid valve. 9. INSPECT SHIFT SOLENOID VALVE SLU  (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating noise. OK:
If the result is not as specified, replace the solenoid valve. |
Toyota Tundra Service Manual > Can Communication System: Check Bus 4 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area *1: for 4WD *2: w/ Trailer Brake Control System Resistanc ...
