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.
Power generation voltage variable
control system operation inspectionDiagnosis 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 ...
Power steering fluid
Check the fluid level in the reservoir.
The fluid level should be checked when the fluid
is cold at fluid temperatures of 32 to 86ºF (0 to
30ºC). The fluid level can be checked with the
level gauge which is attached to the cap. To
check the fluid level, remove the cap. The fluid ...
U0100 Lost communication (ECM A)
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0100
Lost Communication With
ECM/PCM "A"
When the ignition switch is ON,
TCM is unable to receive the
CAN communications signal
from ECM continuously for 2
...