Inspection Procedure 5: Starting Impossible (No Initial Combustion)

Check intermediate connector C-106 and repair if necessary. If intermediate connector is normal, check and repair harness between B-22 (terminal No. 10) inhibitor switch connector and C-303 (terminal No. 5) ignition switch connector.

Check power supply line for open/short circuit.

NO: Replace ignition switch.

STEP 9: Check inhibitor switch.

Check ignition switch (Refer to GROUP 23A - On - vehicle Service - A/T Control Component Check - Inhibitor Switch Check ).

Q: Is the check result normal?

YES:

Check intermediate connectors B-19, and repair if necessary. If intermediate connector are normal, check and repair harness between B-22 (terminal No. 9) inhibitor switch connector and C-135 (terminal No. 51) engine-A/T-ECU connector.

Check power supply line for open/short circuit.

NO: Replace ignition switch.

STEP 10: Connector check: B-22 inhibitor switch connector and B-26 starter connector

Q: Is the check result normal?

YES:

Check intermediate connectors B-19, and repair if necessary. If intermediate connectors are normal, check and repair harness between B-22 (terminal No. 9) inhibitor switch connector and B-26 (terminal No. 1) starter connector.

Check output line for short circuit.

NO: Repair.

STEP 11: Check connector: B-26 starter connector

Q: Is the check result normal?

YES:

Go to Step 12 .

NO: Repair.

STEP 12: Perform voltage measurement at B-26 starter connector.

Disconnect connector, and measure at the harness side.

Ignition switch: ST

Voltage between terminal No. 1 and earth.

OK: System voltage

Q: Is the check result normal?

YES: Go to Step 14

.
NO: Go to Step 13

STEP 13: Connector check: B-22 inhibitor switch connector

Q: Is the check result normal?

YES:

Check intermediate connectors B-19, and repair if necessary. If intermediate connectors are normal, check and repair harness between B-22 (terminal No. 9) inhibitor switch connector and B-26 (terminal No. 1) starter connector.

Check output line for open circuit and damage.

NO: Repair.

STEP 14: Connector check: B-25 starter connector

Q: Is the check result normal?

YES:

Go to Step 15 .

NO: Repair.

STEP 15: Perform voltage measurement at B-25 starter connector.

Disconnect connector, and measure at the harness side.

Voltage between terminal No. 1 and earth.

OK: System voltage

Q: Is the check result normal?

YES:

Go to Step 16 .

NO:

Check and repair harness between B-25 (terminal No. 1) starter connector and battery.

Check power supply line for open/short circuit.

STEP 16: Check harness between B-22 (terminal No. 9) inhibitor switch connector and B-26 (terminal No. 1) starter connector.

NOTE: Before checking harness, check intermediate connectors B-19 and repair if necessary.

Check output line for damage.

Q: Is the check result normal?

YES: Go to Step 17

.
NO: Repair.

STEP 17: Check harness between B-25 (terminal No. 1) starter connector and battery.

Check power supply line for damage.

Q: Is the check result normal?

YES: Replace starter.
NO: Repair.


Inspection Procedure 5: Starting Impossible (No Initial Combustion)

COMMENT ON TROUBLE SYMPTOM Failure is possibly caused by failed starter itself or failed related circuit.
PROBABLE CAUSE Failed battery Failed inhibitor switch Failed starter motor Open/short circuit in starter associated circuit or loose connector contact
	DIAGNOSIS PROCEDURE

	STEP 1: Check battery voltage. Measure battery voltage at cranking. OK: 8 V or higher Q: Is the check result normal? YES: Go to Step 2 . NO: Check battery (Refer to GROUP 54A - Battery-On-vehicle Service - Battery Test ).
	STEP 2: MUT-II/III data list Item 18: Cranking signal OK: ON (Ignition switch: ST) OFF (Ignition switch: ON) Q: Is the check result normal? YES: Go to Step 11 . NO: Go to Step 3 .
	STEP 3: Connector check: C-135 engine-A/T-ECU connector
	Q: Is the check result normal? YES: Go to Step 4 . NO: Repair.
	STEP 4: Perform voltage measurement at C-135 engine-A/T-ECU connector.
	Disconnect connector, and measure at the harness side. Ignition switch: ST Voltage between terminal No. 51 and earth. OK: System voltage Q: Is the check result normal? YES: Go to Step 7 . NO: Go to Step 5 .
	STEP 5: Connector check: B-22 inhibitor switch connector
	Q: Is the check result normal? YES: Go to Step 6 . NO: Repair.
	STEP 6: Perform voltage measurement at B-22 inhibitor switch connector
	Disconnect connector, and measure at the harness side. Ignition switch: ST Voltage between terminal No. 10 and earth. OK: System voltage Q: Is the check result normal? YES: Go to Step 9 . NO: Go to Step 7 .
	STEP 7: Connector check: C-303 ignition switch connector
	Q: Is the check result normal? YES: Go to Step 8 . NO: Repair.
	STEP 8: Check ignition switch
	Check ignition switch (Refer to GROUP 54A - Ignition switch - Ignition Switch - Inspection ). Q: Is the check result normal? YES: Check intermediate connector C-106 and repair if necessary. If intermediate connector is normal, check and repair harness between B-22 (terminal No. 10) inhibitor switch connector and C-303 (terminal No. 5) ignition switch connector. Check power supply line for open/short circuit. NO: Replace ignition switch.
	STEP 9: Check inhibitor switch.
	Check ignition switch (Refer to GROUP 23A - On - vehicle Service - A/T Control Component Check - Inhibitor Switch Check ). Q: Is the check result normal? YES: Check intermediate connectors B-19, and repair if necessary. If intermediate connector are normal, check and repair harness between B-22 (terminal No. 9) inhibitor switch connector and C-135 (terminal No. 51) engine-A/T-ECU connector. Check power supply line for open/short circuit. NO: Replace ignition switch.
	STEP 10: Connector check: B-22 inhibitor switch connector and B-26 starter connector
	Q: Is the check result normal? YES: Check intermediate connectors B-19, and repair if necessary. If intermediate connectors are normal, check and repair harness between B-22 (terminal No. 9) inhibitor switch connector and B-26 (terminal No. 1) starter connector. Check output line for short circuit. NO: Repair.
	STEP 11: Check connector: B-26 starter connector
	Q: Is the check result normal? YES: Go to Step 12 . NO: Repair.
	STEP 12: Perform voltage measurement at B-26 starter connector.
	Disconnect connector, and measure at the harness side. Ignition switch: ST Voltage between terminal No. 1 and earth. OK: System voltage Q: Is the check result normal? YES: Go to Step 14 . NO: Go to Step 13 .
	STEP 13: Connector check: B-22 inhibitor switch connector
	Q: Is the check result normal? YES: Check intermediate connectors B-19, and repair if necessary. If intermediate connectors are normal, check and repair harness between B-22 (terminal No. 9) inhibitor switch connector and B-26 (terminal No. 1) starter connector. Check output line for open circuit and damage. NO: Repair.
	STEP 14: Connector check: B-25 starter connector
	Q: Is the check result normal? YES: Go to Step 15 . NO: Repair.
	STEP 15: Perform voltage measurement at B-25 starter connector.
	Disconnect connector, and measure at the harness side. Voltage between terminal No. 1 and earth. OK: System voltage Q: Is the check result normal? YES: Go to Step 16 . NO: Check and repair harness between B-25 (terminal No. 1) starter connector and battery. Check power supply line for open/short circuit.
	STEP 16: Check harness between B-22 (terminal No. 9) inhibitor switch connector and B-26 (terminal No. 1) starter connector.
	NOTE: Before checking harness, check intermediate connectors B-19 and repair if necessary. Check output line for damage. Q: Is the check result normal? YES: Go to Step 17 . NO: Repair.
	STEP 17: Check harness between B-25 (terminal No. 1) starter connector and battery.
	Check power supply line for damage. Q: Is the check result normal? YES: Replace starter. NO: Repair.