Description
"B" terminal circuit supplies power to charge the battery and to operate the vehicles electrical system.
Diagnosis Procedure
Regarding Wiring Diagram information. Refer to CHG "Wiring Diagram".
1.CHECK "B" TERMINAL CONNECTION
1. Turn ignition switch OFF.
2. Check if "B" terminal is clean and tight.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair terminal "B" connection. Confirm repair by performing complete Charging system test using the EXP-800 NI or GR8-1200 NI (if available). Refer to applicable Instruction Manual for proper testing procedures.
2.CHECK "B" TERMINAL CIRCUIT
Check voltage between generator "B" terminal and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Check harness for open between generator and fusible link.
3.CHECK "B" TERMINAL CONNECTION (VOLTAGE DROP TEST)
1. Start engine, then engine running at idle and warm.
2. Check voltage between battery positive terminal and generator connector
"B" terminal.
Is the inspection result normal?
YES >> "B" terminal circuit is normal. Refer to CHG "Work Flow (With EXP-800 NI or GR8-1200 NI)" or CHG "Work Flow (Without EXP-800 NI or GR8-1200 NI)".
NO >> Check harness between battery and generator for continuity.
Diagnosis Procedure Regarding Wiring Diagram information. Refer to CHG "Wiring Diagram". CAUTION: When performing this inspection, always use a charged battery that has completed the ...
Description The "L" terminal circuit controls the charge warning lamp. The charge warning lamp turns ON when the ignition switch is set to ON or START. When the generator is providing sufficient ...
Battery
Keep the battery surface clean and dry.
Clean the battery with a solution of baking
soda and water.
Make certain the terminal connections are
clean and securely tightened.
If the vehicle is not to be used for 30 days or
longer, disconnect the negative (-) battery
terminal cable to ...
P0743 Torque converter
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0743
Torque Converter Clutch Circuit
Electrical
The following diagnosis conditions
are met, and the TCM
torque converter clutch solenoid
valve current monito ...