Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Component Inspection (ICC Brake Hold Relay)
- CHECK ICC BRAKE HOLD RELAY
- Turn ignition switch OFF.
- Remove ICC brake hold relay.
- Check the continuity between ICC brake hold relay terminals under the following conditions.
CONTINUITY SPECIFICATIONTerminal Condition Continuity 3 and 4 12 V direct current supply between terminal 1 and 2 Not existed No current supply Existed 6 and 7 12 V direct current supply between terminal 1 and 2 Existed No current supply Not existed Is the inspection result normal?
YES: INSPECTION END
NO: Replace ICC brake hold relay.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.