
Diagnostic procedure

Dtc b2777, b2778, b2779, b2780
TroubleshootingMazda 6 Service Manual: Customer Assistance (Canada)
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Mazda 6 Service Manual: Intermittent rear wiper relay inspection
1. Connect the connector to the intermittent rear wiper relay.
2. Connect the negative battery cable.
3. Measure the voltage at the intermittent rear wiper relay using voltmeter.
When inspecting terminal D for continuity, disconnect the intermittent
rear wiper relay connector.
4. If the ...