Montero SR 4WD V6-3.5L SOHC (1997)
STEP 2. Check for continuity between the ignition power transistor unit and the ignition coil.
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Ignition coil connector: Disconnected
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Ignition power transistor connector: Disconnected
OK: GO TO STEP 3
NG: Repair the harnesses. (A1 - D6, B1 - D6, C1 - D6)
STEP 3. Measure the power supply voltage of the ignition coil.
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Ignition power transistor: Disconnected
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Ignition switch: ON
Voltage (V): Battery positive voltage
OK: GO TO STEP 4
NG: Repair the harnesses. (DII, D12, D13 - Ignition coil)
STEP 4. Check for an open circuit or a short-circuit to ground between the ignition power transistor and the engine control module.
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Ignition power transistor connector: Disconnected
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Engine control module connector: Disconnected
OK: GO TO STEP 5
NG: Repair the harnesses. (D1 - 11, D2 - 23, D3 - 10, D5 - 51)
STEP 5. Check for continuity in the ground circuit of the ignition power transistor.
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Ignition power transistor connector: Disconnected
OK: GO TO STEP 6
NG: Repair the harnesses. (D4 - Ground)