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-7, "Wiring Diagram".
1.CHECK “B” TERMINAL CONNECTION
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)
Is the inspection result normal? YES >> “B” terminal circuit is normal. Refer to CHG-11, "Work Flow (With EXP-800 NI or GR8-1200 NI)" or CHG-14, "Work Flow (Without EXP-800 NI or GR8-1200 NI)".
NO >> Check harness between battery and generator for continuity.
How to follow trouble diagnoses
Description
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems
effectively. Observe the following
instructions before diagnosing.
Before performing trouble diagnoses, read the “Work Flow” in each
section.
After repairs, re-check that the pr ...
DTC/circuit diagnosis
P1610 LOCK MODE
Description
ECM forcibly switches to the mode that inhibits engine start, when engine
start operation is performed 5 times
or more while communication between ECM and BCM is not normal.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B1610 is displayed with DTC U1000, fi ...
How to erase permanent DTC
Description
OUTLINE
When a DTC is stored in ECM
When a DTC is stored in ECM and MIL is ON, a permanent DTC is erased with MIL
shutoff if the same malfunction
is not detected after performing the driving pattern for MIL shutoff three times
in a raw.
*1: When the same malfunction is detecte ...