DTC P2089:00 [ZJ, ZY]

id0102c0707400

DTC P2089:00

Variable valve timing control circuit high input

DETECTION CONDITION

•  If the PCM detects that the OCV drive current is as specified or more when the OCV control duty target is 3% or less, the PCM determines that the variable valve timing control circuit is high.

Diagnostic support note

•  This is a continuous monitor (CCM).

•  The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.

•  FREEZE FRAME DATA is available.

•  The DTC is stored in the PCM memory.

POSSIBLE CAUSE

•  OCV connector or terminals malfunction

•  OCV malfunction

•  PCM connector or terminals malfunction

•  Short to power supply in wiring harness between OCV terminal B and PCM terminal 2W

•  OCV control circuit and ground circuit are shorted to each other

•  PCM malfunction

DTC P2089:00	Variable valve timing control circuit high input
DETECTION CONDITION	• If the PCM detects that the OCV drive current is as specified or more when the OCV control duty target is 3% or less, the PCM determines that the variable valve timing control circuit is high. Diagnostic support note • This is a continuous monitor (CCM). • The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle. • FREEZE FRAME DATA is available. • The DTC is stored in the PCM memory.
POSSIBLE CAUSE	• OCV connector or terminals malfunction • OCV malfunction • PCM connector or terminals malfunction • Short to power supply in wiring harness between OCV terminal B and PCM terminal 2W • OCV control circuit and ground circuit are shorted to each other • PCM malfunction

Diagnostic procedure

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has the FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2	VERIFY RELATED SERVICE INFORMATION AVAILABILITY • Verify related Service Information availability. • Is any related Service Information available?	Yes	Perform repair or diagnosis according to the available Service Information. • If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	INSPECT OCV CONNECTOR AND TERMINALS • Turn the ignition switch off. • Disconnect the OCV connector. • Inspect for poor connection (such as damaged/pulled-out pins, and corrosion). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 8.
3		No	Go to the next step.
4	INSPECT OCV • Inspect the OCV. (See OIL CONTROL VALVE (OCV) INSPECTION [ZJ, ZY].) • Is there any malfunction?	Yes	Replace the OCV, then go to Step 8. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [ZJ, ZY].)
4		No	Go to the next step.
5	INSPECT PCM CONNECTOR AND TERMINALS • Disconnect the PCM connector. • Inspect for poor connection (such as damaged/pulled-out pins, and corrosion). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 8.
5		No	Go to the next step.
6	INSPECT OCV CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY • OCV and PCM connectors are disconnected. • Turn the ignition switch to the ON position (engine off). • Measure the voltage between OCV terminal B (wiring harness-side) and body ground. • Is there any voltage?	Yes	Repair or replace the wiring harness for a possible short to power supply, then go to Step 8.
6		No	Go to the next step.
7	INSPECT OCV CONTROL CIRCUIT AND GROUND CIRCUIT FOR SHORT TO EACH OTHER • OCV and PCM connectors are disconnected. • Turn the ignition switch off. • Inspect for continuity between OCV terminals A and B (wiring harness-side). • Is there continuity?	Yes	Repair or replace the wiring harness for a possible short to each other, then go to the next step.
7		No	Go to the next step.
8	VERIFY DTC TROUBLESHOOTING COMPLETED • Make sure to reconnect all disconnected connectors. • Clear the DTC from the PCM memory using the M-MDS. (See AFTER REPAIR PROCEDURE [ZJ, ZY].) • Start the engine. • Perform the KOEO/KOER self test. (See KOEO/KOER SELF TEST [ZJ, ZY].) • Is the same DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [ZJ, ZY].)
8		No	Go to the next step.
9	VERIFY AFTER REPAIR PROCEDURE • Perform the “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [ZJ, ZY].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [ZJ, ZY].)
9		No	DTC troubleshooting completed.