Description
Terminal “B” is constantly supplied with battery power.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR-7, "Wiring Diagram".
CAUTION: Perform diagnosis under the condition that the engine cannot start by the following procedure.
1.CHECK “B” TERMINAL CIRCUIT

Is the inspection result normal? YES >> GO TO 2.
NO >> Check harness between battery and starter motor for open circuit.
2.CHECK BATTERY CABLE CONNECTION STATUS (VOLTAGE DROP TEST)

Is the inspection result normal? YES >> GO TO 3.
NO >> Check harness between the battery and starter motor for continuity.
3.CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST)

Is the inspection result normal?
YES >> “B” terminal circuit is OK. Further inspection is necessary. Refer to STR-11, "Work Flow (With GR8-1200 NI)" or STR-15, "Work Flow (Without GR8-1200 NI)".
NO >> Check the starter motor case to engine mounting for high resistance.
S connector circuitU0155 lost communication (IPC)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0155
LOST COMM (IPC)
[Lost Communication With Instrument Panel
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Use a phone after stopping your vehicle
in a safe location. If you have to use a
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If fuse is blown, be sure to eliminate cause of malfunction before
ins ...