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Home >> Toyota >> 2019 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 121 (Engine Control System (A25A-FXS) (W/ Canister Pump Module) - Diagnostic Codes (07 Of 13)) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P0597-14: Thermostat Heater Control Circuit Short to Ground or Open [06/2020 - 08/2020] >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
Monitor runs whenever the following DTCs are not stored None
All of the following conditions are met -
Either of the following conditions is met 1 or 2
1. Both of the following conditions are met (a) and (b)
(a) Last thermostat heater output terminal voltage level Low
(b) Current thermostat heater output terminal voltage level Low
2. Both of the following conditions are met (c) and (d)
(c) Last thermostat heater output terminal voltage level High
(d) Current thermostat heater output terminal voltage level High
Auxiliary battery voltage 8 V or higher
Command to thermostat heater Off