Diesel Data: Automotive Repair

B1802




DTC B1802

DTC Detecting Condition and Trouble Area






Circuit Diagram










DTC Troubleshooting

1. DTC check

Clear DTC. DTC Clearance
Confirm that ignition mode of keyless push start system is in "OFF".
Push engine switch to change ignition mode of keyless push start system to "ON".
Check DTC. DTC Check

Is DTC B1802 still detected?
YES -
Go to Step 2.
NO -
Intermittent trouble. Check for intermittent trouble. Intermittent Connection and Poor Contact Inspection

2. Combination meter power supply and ground circuits check

Check combination meter power supply and ground circuits.

Are they in good condition?
YES -
Go to Step 3.
NO -
Repair defective wire harness.

3. Combination meter power supply voltage check

Check power supply voltage with engine speed at 3,000 rpm.

Is voltage 10 - 15 V?
YES -
Replace combination meter and recheck DTC. Service and Repair
NO -
Check charging system. Testing and Inspection