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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1818 (Anti-Lock Brake System - Vehicle Dynamic Systems) >> Diagnosis And Testing >> Anti-Lock Control - Hybrid >> Pinpoint Tests >> Pinpoint Test L: DTCs C0022:11, 12, 13, 14, 1D and 49 >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The brake booster solenoid is internal to the brake booster. During normal braking, the ABS module will apply a Pulse-Width Modulation (PWM) voltage to the brake booster solenoid along circuit CCA22 (GY/YE). The ABS module will provide ground to the solenoid along circuit VCA22 (GN/BN). The ABS module constantly checks the integrity of the booster solenoid and circuits. If circuit CCA22 (GY/YE), circuit VCA22 (GN/BN) or the booster solenoid is open, shorted to ground or has high resistance, a DTC will set. If a booster solenoid fault is detected, the brake system will transition from brake-by-wire mode to conventional friction braking. Other DTCs for brake booster performance may set as a result of a brake booster solenoid circuit fault. The brake booster solenoid cannot be serviced separately from the brake booster. If a new brake booster solenoid is needed, a new brake booster must be installed.

DTC FAULT TRIGGER CONDITIONS CHART

DTC Description Fault Trigger Conditions
  • C0022:11 - Brake Booster Solenoid: Circuit Short to Ground
 If the ABS module detects a short to ground on either circuit CCA22 (GY/YE) or VCA22 (GN/BN), this DTC will set.
  • C0022:12 - Brake Booster Solenoid: Circuit Short to Battery
 If the ABS module detects a short to voltage on either circuit CCA22 (GY/YE) or VCA22 (GN/BN), this DTC will set.
  • C0022:13 - Brake Booster Solenoid: Circuit Open
 If the ABS module detects an open or high resistance on either circuit CCA22 (GY/YE) or VCA22 (GN/BN), this DTC will set.
  • C0022:14 - Brake Booster Solenoid: Circuit Short to Ground or Open
 If the ABS module detects a short to ground, open or high resistance on either circuit CCA22 (GY/YE) or VCA22 (GN/BN), this DTC will set.
  • C0022:1D - Brake Booster Solenoid: Circuit Current Out of Range
 If the ABS module detects a short to ground, open or high resistance on either circuit CCA22 (GY/YE) or VCA22 (GN/BN) or if the ABS module is faulted internally, this DTC will set.
  • C0022:49 - Brake Booster Solenoid: Internal Electronic Failure
 If the ABS module detects a short to ground on either circuit CCA22 (GY/YE) or VCA22 (GN/BN) or if the ABS module is faulted internally, this DTC will set.

This pinpoint test is intended to diagnose the following: 

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