Honda CR-V: Charging System
Component Location Index

Symptom Troubleshooting
Index
Charging system indicator does not come on with the ignition
switch ON (II)
- Troubleshoot the charging system indicator circuit.
Charging system indicator stays on
- Check for PGM-FI DTCs
- Troubleshoot the charging system indicator circuit
- Check for a broken drive belt
- Check the drive belt auto-tensioner
Battery discharged
- Check for excessive parasitic electrical current draw
- Check for a broken drive belt
- Check the drive belt auto-tensioner
- Troubleshoot the alternator and regulator circuit
- Check for a poor connection at the battery terminal
- Test the battery
Battery overcharged
- Troubleshoot the alternator and regulator circuit
- Test the battery
Circuit Diagram

READ NEXT:
1. Turn the ignition switch ON (II).
Does the charging system indicator come on?
YES-Go to step 2.
NO-Go to step 14.
2. Start the engine. Hold the engine speed at
2,000 rpm for 1 minute.
Does the c
1. Make sure the battery connections are good and
the battery is sufficiently charged.
2. Connect a VAT-40 (or equivalent tester), and turn
the selector switch to position 1 (starting).
3. Start the
1. Inspect the belt for cracks and damage. If the belt is
cracked or damaged, replace it.
2. Check that the auto-tensioner indicator (A) is within
the standard range (B) as shown. If it is out of the
SEE MORE:
DTC B1078: Daytime Running Lights Signal
Error (Canada)
DTC B1079: Daytime Running Lights Signal
Error (USA)
NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A.
1. Turn the ignition switch ON (II).
2. Pull the parking brake lever
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information.
1. Check for poor connections or loose terminals at
ECT sensor 1/2 and the IAT sensor.
Are the connections and terminals OK?
YES-Go to step 2.
NO-Repair the connecto
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